- 11 people are racing (#1347)
11 people are racing. What are the odds of being 1...
factorial, statistics, probability
- 30% of a firm`s orders come from new customers (#2641)
30% of a firm's orders come from new customers. A simple random sample of 100 orders will be used to estimate the proportion of new customers. Find probability that sample proportion will be between 0.22 and 0...
probability, normal distribution, statistics
- 43% are wearing seatbelt (#1538)
43% are wearing seatbelt and 57% are not wearing seatbelt. Randomly pick 2 people. What is probability that both will be wearing seatbelt
probability
- 6 students are doing a gift exchange (#3204)
6 students are doing a gift exchange. How many ways can they exchange gifts? ( Can't get your own gift)
factorial, probability
- 7% of American population (#3463)
7% of American population have O-negative blood. If 10 people give ...
probability
- 76% of second grade girls (#2754)
76% of second grade girls are taller than 40 inches, the average height of second grade girls is 42 ...
probability
- A bag contains 3 red, 4 green and 3 yellow marbles (#2751)
A bag contains 3 red, 4 green and 3 yellow marbles. These marbles are randomly drawn from the bag. What is the probability that they are of
(i) the same colour
(ii) different colours(one of each colour)
probability
- A bag contains 3 red, 4 green, and 3 yellow marbles (#3385)
A bag contains 3 red, 4 green, and 3 yellow marbles. These marbles are randomly drawn from the ...
probability
- A bag contains 5 red marbles (#3084)
A bag contains 5 red marbles, 3 green marbles and 2 blue ...
probability
- A bag contains 6 black, 4 blue, 3 green (#1761)
A bag contains 6 black, 4 blue, 3 green, 5 yellow, and 4 red ...
probability
- A bag contains 6 blue discs (#1208)
A bag contains 6 blue discs, 10 orange discs and 4 red discs. If a disc is picked at random, what is the probability of getting :
a ...
probability, statistics
- A bag contains 6 green marbles (#1408)
A bag contains 6 green marbles, 6 blue marbles, 5 yellow marbles , 13 red marbles, and 10 purple ...
probability, statistics
- A bag contains 6 orange, 7 green, and 8 yellow marbles (#2989)
A bag contains 6 orange, 7 green, and 8 yellow ...
probability
- A bag contains 8 green marbles (#2411)
A bag contains 8 green marbles and 12 blue marbles.. You draw a marble, return it to the bag and draw ...
probability
- A bag contains five red candies (#2705)
A bag contains five red candies, six white candies, and seven blue candies. Suppose one piece of candy is drawn at random. Find the probability of each of the following.
a. A white candy is drawn.
b. A red or blue candy is drawn.
...
probability
- A bag contains four times as many (#3075)
A bag contains four times as many as blue marbles than brown. If there is no other color and a boy picks up two ...
probability
- A bag of jelly beans contains (#1345)
A bag of jelly beans contains 12 cherry, 15 lemon, 17 lime, 13 strawberry, and 18 orange jelly ...
probability, statistics
- A bag of marbles contains (#2848)
A bag of marbles contains 4 black, 4 gray and 5 white ...
probability
- A barrel contains only apples and oranges (#1427)
A barrel contains only apples and oranges. There are twice as many apples as oranges. The apples are either red or yellow and 4 times as many red as are yellow. If one piece of fruit is to be drawn at random from the ...
probability, statistics
- A bowl with 2 yellow marbles (#1304)
A bowl with 2 yellow marbles, 1 blue and 2 red. If you pick one marble from the bowl ...
probability, statistics
- A cheese pizza can be ordered (#235)
A cheese pizza can be ordered with some, all, or none of the following toppings: sausage, pepperoni, ham, peppers, mushrooms, olives, anchovies, pineapple, and ...
factorial, statistics, probability
- A combination lock will open (#3141)
A combination lock will open when the right choice of three numbers (from 1 to 40, inclusive) is ...
factorial, probability
- A container of jelly beans contains (#801)
A container of jelly beans contains 50 buttered popcorn, 65 strawberry, 80 cinnamon, and 45 ...
probability, statistics
- A deck of cards had 6 purple 6 navy and 4 brown (#1902)
A deck of cards had 6 purple 6 navy and 4 brown. You pick 3 cards from the deck. Cards are not returned to the deck after they are ...
probability
- A deck of cards has 5 purple (#2323)
A deck of cards has 5 purple, 4 gray, and 6 green cards. You pick 4 cards from the deck. Cards are not returned to the deck after they are picked. P (four purple cards in a row)
probability
- A drawer contains 4 blue socks (#2048)
A drawer contains 4 blue socks, 6 gray socks, and 8 black socks. You randoml choose one sock, then another from the ...
probability
- A drawer contains 8 black socks (#1077)
A drawer contains 8 black socks, 18 green socks, 12 blue socks and 11 brown socks. If the drawer is in a darkened ...
probability, statistics
- A drawer contains 8 red socks (#2794)
A drawer contains 8 red socks, 3 white socks, and 5 blue socks. Without looking, you draw out a sock and then draw out a second sock without returning the first ...
probability
- A drawer has 6 gray socks (#3170)
A drawer has 6 gray socks, 4 blue, 5 black, and 9 white socks. You are looking for a pair of socks, so you take one, put it aside, and then take another ...
probability
- A family wants to have 6 children (#1505)
A family wants to have 6 ...
probability, factorial
- A football team won 8 games and lost 3 games (#3063)
A football team won 8 games and lost 3 games, this ...
probability
- A hat contains 26 names (#3040)
A hat contains 26 names, 16 of which are male. If six names are randomly drawn from the ...
probability
- A jar contains 5 blue marbles (#3446)
A jar contains 5 blue marbles, 8 red marbles, 4 white marbles, and 3 purple marbles. Suppose you pick a marble at random without looking. Find P (blue or purple)...
probability
- A jar contains 7 red marbles (#2331)
A jar contains 7 red marbles, 7 pink marbles, and 13 blue marbles. If a marble is selected at random, what is the probability that it is blue?.
probability
- A jar contains six red jelly beans (#2788)
A jar contains six red jelly beans, three purple jelly beans and six yellow jelly ...
probability
- A jar contains three colored marbles (#3457)
A jar contains three colored marbles: 10 red, 15 green, and 25 blue. If you were to choose without ...
probability
- A jar of marbles contains 6 yellow and 8 red marbles (#3201)
A jar of marbles contains 6 yellow and 8 red marbles. Three marbles are selected at random.
a) How many different groups of three marbles are possible?
b) How many groups of three marbles will contain only red ...
combinations, probability
- A jar on your desk contains twelve black (#2413)
A jar on your desk contains twelve black, eight red, ten yellow and five green jelly beans. You pick a jelly bean without looking. Find
a) the probability that it is red or black
b) the probability that it is not yellow
c) the odds of picking a green jelly bean
d) the odds in a favor of picking a red or black jelly bean
probability
- A mall has 12 clothing stores (#1160)
A mall has 12 clothing stores, 9 shoe stores and 5 electrical stores. In how many ways can a person shopping at this mall go to 5 clothing ...
probability, statistics, combinations
- A panel of judges is to consist of four women and three men (#2957)
A panel of judges is to consist of four women and three men. A list of potential judges includes seven women and six ...
combinations, probability
- A pizza restaurant offers (#2814)
A pizza restaurant offers two different kinds of crust and six different ...
probability
- A recruiting firm finds that 30% of the applicants (#2964)
A recruiting firm finds that 30% of the applicants for a certain industrial job have advanced training in computer programming. Applicants are interviewed sequentially and selected at random from the ...
probability
- A red, a blue, a green, a yellow, and an orange marble (#2713)
A red, a blue, a green, a yellow, and an orange marble are in a ...
probability
- A shoebox has 4 green cubes (#2479)
A shoebox has 4 green cubes, 3 purple cubes, and 5 orange cubes. Whats the probability of:
a.) P(2 purple cubes)
b.) P(2 cubes of the same color)
c.) P( 1 green, 1 purple)
d.) P( at least 1 orange cube or 1 purple cube)
probability
- A spinner is divided into five equal sections (#685)
A spinner is divided into five equal sections numbered 1 through 5...
probability, statistics
- A student notices that if he is late (#458)
A student notices that if he is late for college on one day, he is three times more likely to be late on the next day. If he is early on one day, he is equally likely to be early or late on the next day.
Draw a tree diagram to show all the possible outcomes for three successive days. ( Assume that the student was early on the day before the 3 days under consideration.)
probability, statistics
- A test has 4 choices a b c and d (#2701)
A test has 4 choices a b c and d. If a student answers all 3 ...
probability
- A test has several multiple choice questions (#2837)
A test has several multiple choice questions, each with 5 choices. If you guess on one ...
probability
- A traffic light is red for 38 seconds (#2692)
A traffic light is red for 38 seconds, yellow for 10 seconds, and green for one minute and twelve seconds in a constantly repeating ...
probability
- Adam has a bag of marbles (#1706)
Adam has a bag of marbles. There are 5 red marbles, 6 blue marbles and 2 yellow marbles. If he takes one marble out of his bag at ...
probability
- All 7 digit numbers in a town (#3199)
All 7 digit numbers in a town start with 555. The last four digits cannot be a 0 or a 1...
probability
- An airplane has two independent alternators (#515)
An airplane has two independent alternators to provide electrical power. The probability that a given alternator wil fail on a one hour flight is .02...
statistics, probability
- An experiment consists of four outcomes (#3289)
An experiment consists of four outcomes with P(E1)=0.2, P(E2)=0.3, and P(E3)=0.4...
probability
- An office consists of 80 employees (#2552)
An office consists of 80 employees: 20 of them are male, and 56 of them are from NJ. If the events of selecting a male and selecting a NJ resident are independent, how many of the employees are male NJ residents? Hint: make a 2x2 table with rows ...
probability
- At the picnic, there is a plate (#955)
At the picnic, there is a plate of 3 dill pickles, 2 bread and butter pickles, and 1 sweet ...
probability, statistics
- Cedric has 5 keys to put on a key ring (#2730)
Cedric has 5 keys to put on a key ...
probability
- Drawing 3 cards that are all aces (#332)
Drawing 3 cards that are all aces from a deck of cards?
probability, statistics
- During a root enzyme experiment (#721)
During a root enzyme experiment, Grace determined the dry weight of mustard roots so she could make some calculations. These were pretty small mustard plants so she had to use a good balance to get the data. She measured one set (A) of roots and obtained masses of 0.06, 0.09, 0.08, 0.05, and 0.05 grams. Another set (B) had masses of 0.1, 0.11, 0.09, 0.11, and 0.04 ...
statistics, probability
- Factorial (#2394)
7 women and 14 men in a ...
probability, factorial
- Find the IQ score separating the top (#1404)
Find the IQ score separating the top 85% from the ...
statistics, probability, standard deviation, normal distribution, mean
- Find the number of different permutations (#1971)
Find the number of different permutations of the letters in the word LILLY
probability, permutations
- Find the number of distinguishable permutations (#1629)
Find the number of distinguishable permutations in the letters SCHOOL?
probability, permutations
- Find the odds in favor of drawing (#3519)
Find the odds in favor of drawing a red marble when a marble is selected at random from a bag containing 2 yellow, 5 ...
probability
- Find the probability of each outcome (#3402)
Find the probability of each outcome if two marbles are selected from the bag containing 3 red marbles, 4 blue marbles, and 2 green marbles. the first marble is not replaced before the second marble is selected
- selecting a blue marble first
- selecting a yellow marble first
- selecting a red marble followed by a blue marble
- selecting a green marble after selecting two marbles that are not green
probability
- From 8 girls and 6 boys, a group of 4 students (#2673)
From 8 girls and 6 boys, a group of 4 students is to be chosen at rando to participate in an opinion ...
probability
- From a barrel of colored marbles (#2016)
From a barrel of colored marbles, you randomly select 1 blue, 6 yellow, 7 red, 4 green, and 6 purple ...
probability
- Hank has 34 green lures (#2808)
Hank has 34 green lures, 42 silver lures, 18 orange lures, and 23 yellow lures in his fishing box. If he grabs 1 fishing lure without ...
probability
- Have 8 navy blue socks (#81)
Have 8 navy blue socks, 5 black ...
probability, statistics
- How many 3 topping pizzas (#383)
How many 3 topping pizzas could be made if you have 10 toppings to choose from?
combinations, probability, statistics
- How many 7 member water polo squads (#3226)
How many 7 member water polo squads can be made from 12 players if the same player is goalie for each squad?
probability
- How many combinations are there (#2350)
How many combinations are there in w,...
combinations, probability
- How many different 4-member committees (#2470)
How many different 4-member committees can be chosen from a panel of 10 people?
probability
- How many different ways can 23 pearls (#2465)
How many different ways can 23 pearls be strung and worn (noting you can flip necklace over to wear in a different way)?
factorial, probability
- How many distinguishable arrangements (#3299)
How many distinguishable arrangements of the word PROBABILITY are there?
arrangements, probability
- How many ways can you arrange (#2986)
How many ways can you arrange 5 books on a book shelf?
evaluating factorials, factorial, probability
- If a fair coin is tossed 5 times (#2831)
If a fair coin is tossed 5 ...
probability
- If a school offers 9 different subjects (#2252)
If a school offers 9 different ...
permutations, probability
- If Sasha pulls out 2 socks at once (#2031)
If Sasha pulls out 2 socks at ...
probability
- If the chances of snow or sleet last Saturday (#712)
If the chances of snow or sleet last Saturday was three out of ten and the chance of snow or sleet this Saturday was four out of ten what were the chances of snow or sleet happening both weeks?
probability, statistics
- If the city of Esperanza is 9000 miles from Davao (#1643)
If the city of Esperanza is 9000 miles from Davao, and Davao is 9000 miles from New York City, what is the probability that New York City is closer to Esperanza than Davao? (Circumference of the earth is 24,900 miles)
probability
- If there are 20 red marbles and 15 blue marbles (#2630)
If there are 20 red marbles and 15 blue marbles what would be the probability of choosing one blue marble from a bag?
probability
- If there are 25 names in a hat (#744)
If there are 25 names in a hat, 15 girl’s names and 10 boy’s names, what is the probability that a name drawn at random will be
I. a girl’s name
II. a boy’s name
III. not a girl’s name
IV. not a boy’s name
probability, statistics
- If there are 6 restaurants to choose from (#1891)
If there are 6 restaurants to choose from and you want to try 4 of them how many groups of restaurants can we go to?
combinations, probability
- If two people are selected at random (#3300)
If two people are selected at ...
probability
- If you have 5 oranges and 7 apples (#1697)
If you have 5 oranges and 7 ...
probability
- If you roll the dice 36 times (#2716)
If you roll the dice 36 ...
probability
- In a Bag of M&M`s there are 30 pieces (#2162)
In a Bag of M&M's there are 30 pieces. Five are green, 5 are orange, 7 are brown, 3 are blue, 2 are yellow and 8 are ...
probability
- In a bag there are three coloured balls (#3546)
In a bag there are three coloured balls, one red, one blue, and one green. A ball is selected, the colour recorded and replaced. A second ball is selected and the colour recorded.
Show in a tree diagram all the possible combined outcomes.
List these combined outcomes.
Work out the probability of selecting 2 red ...
probability
- In a certain high school 65% of students (#1308)
In a certain high school 65% of students own cell phonoes. 35% own MP3 players. 20% own both cell phones and MP3 players. Identify the probability that a student has either a ceell phone or an MP3 players. Identify the paobaility that a student has only an MP3 ...
probability, statistics
- In a fair game two guys bet (#726)
In a fair game (50/50 chance of winning) two guys bet $100 each. The first one to win 6 games takes the pot. They decided to stop when A had won 5 games and B had won 3 ...
probability, statistics
- In France, years of life expectancy (#3345)
In France, years of life expectancy are normally distributed with a mean of 81 years and a standard deviation fo seven years. For the French population:
a) What is the probability of living 92 years or ...
statistics, normal distribution, probability, standard deviation
- In how many different ways (#508)
In how many different ways can 11 different books be distributed to ...
factorial, probability, statistics
- In how many ways can 7 boys (#3354)
In how many ways can 7 boys be seated at a round table so that two particulars boys are next to each other?
probability, arrangements
- In how many ways can a committee of 5 people be selected (#2135)
In how many ways can a committee of 5 people be selected from 10 men and 6 ...
combinations, probability
- Jim sells soup at his stand (#386)
Jim sells soup at his stand. He sells lentil, split pea, and navy bean soup. They also come in four different ...
probability, statistics
- John wants to paint four rooms (#835)
John wants to paint four rooms in his house, each a different color and he may choose from seven different colors of ...
combinations, statistics, probability
- Jukebox contains only 3 records (#3335)
Jukebox contains only 3 records: blue moon, blue suede shoes, and blue monday, probability that blue moon is playing is 1/6 and probability blue suede shoes is playing is1/3...
probability
- Julie, Corinne, Darci, and Michelle are swimming (#2456)
Julie, Corinne, Darci, and Michelle are swimming in a relay race. How many ways can you order the last two ...
probability
- Kate has a red pair of shoes (#385)
Kate has a red pair of shoes, a blue pair of shoes, and a green pair of shoes. She has a yellow and an orange ...
probability, statistics
- Last fall, a gardener planted 74 tulip bulbs (#2613)
Last fall, a gardener planted 74 tulip bulbs. She found that only 62 of the bulbs bloomed in the ...
probability
- Leila and Markus have 3 red marbles (#2097)
Leila and Markus have 3 red marbles and 2 green and 1 ...
combinations, probability
- Lisa is planning the seating (#381)
Lisa is planning the seating for a head table at a gala. The eight speakers will all be seated along one side of the table. Richard wants to be sit beside Hang, and lisa knows that Thomas and Lily should not be seated together, as they have just broken ...
factorial, probability, statistics
- Martha has six brown socks (#2901)
Martha has six brown socks and eight black socks. If she randomly selects two socks from the drawer ...
probability
- Micheal needs new clothes for school (#3108)
Micheal needs new clothes for school by next week. He went to the mall to shop likes 7 skirts 3 pairs of sneakers and 10 pair of ...
combinations, probability
- Of the 148 students honored at an academic banquet (#2811)
Of the 148 students honored at an academic banquet, 40 won awards for mathamatics and 82 for English. One of the 148 students is chosen at random to be inter viewed for a newspaper article. What is the probability that the student won an award in matematics or ...
probability, statistics
- On Saturday evening, 34% of the people in Chicago (#2892)
On Saturday evening, 34% of the people in Chicago go out to dinner, 18% see a movie, 13% have a party, and 35% stay at home. 17 people are randomly ...
probability
- One-fourth of the residents of the Burning Ridge Estates (#3397)
One-fourth of the residents of the Burning Ridge Estates leave their garage doors open whe they are away from home. The local cheif of police estimates 5 percent of the garages open will have something stolen, but only 1 percent of those closed will have something stolen. If a garage is ...
probability
- Only 91% of the airplane parts Amelia is examining (#1687)
Only 91% of the airplane parts Amelia is examining pass ...
probability
- probability (#103)
29 out of 200 chickens contaminated. If chicken infected, test will return positive 80% of the time. If chicken not infected, test will return "false" positive 5% of the time.
If test is ...
probability, statistics
- probability (#111)
Two cards are simultaneously drawn from an ordinary ...
probability, statistics
- Probability (#2703)
A bag contains 12 yellow and 6 green ...
probability
- Probability that a teacher will give (#2732)
Probability that a teacher will give an announced test during any class meeting is 1/5...
probability
- Sam had 10 marbles in a bag (#2633)
Sam had 10 marbles in a bag; 3 brown and 7 ...
probability
- Selena has 4 exams (#340)
Selena has 4 exams ( A, B, C,D) to study for this ...
factorial, probability, statistics
- Seven people are interviewed for a possible promotion (#2272)
Seven people are interviewed for a possible ...
combinations, probability
- Six churches form a softball league (#2283)
Six churches form a softball league. If each team must play every other team twice during the ...
combinations, probability
- Steve and Joe were discussing (#2690)
Steve and Joe were discussing how many different five-card combinations of standard playing cards have exactly two ...
combinations, probability
- Suppose a contest offers (#2515)
Suppose a contest offers $1,000 to the person who can guess the winning four digit ...
probability
- Suppose that 49% of the women who gave birth (#2554)
Suppose that 49% of the women who gave birth at a certain hospital last year were over 30 years old, and that 47% were unmarried. If 74% of the women were over 30 or unmarried (or both)...
probability
- Suppose we have 12 firms (#2073)
Suppose we have 12 firms. 5 type A firms and 7 type B ...
factorial, probability
- Suppose you randomly draw two marbles (#2785)
Suppose you randomly draw two marbles, without replacement from a bag, containing six green, four red and three black ...
probability
- Teacher knows that 80 percent of the students (#3500)
Teacher knows that 80 percent of the students will complete the assigned problems. She has also determined that among those who do their assignments, 90 percent will pass the course. Among those students who do their homework, 60 percent will pass. Mike Fishbaugh took statistics last year and ...
probability
- Test for high school students (#2909)
Test for high school students with a 3.50 to 4.00 grade point average were normally distributed, with a mean of 38.8 and a standard diviation of 1.9. A student with a 3.5 to 4.00 grade point average who took the standarized tes is randomly ...
mean, normal distribution, standard deviation, statistics, probability
- The letters of the word (#3452)
The letters of the word STATISTICS are written on ten cards. If two cards are drawn at random, what is the probability that
1) one S and one T will occur
2) two T will occur
permutations, probability
- The probability of getting a red lollipop (#2074)
The probability of getting a red lollipop is 1/6 and the probability of getting a red gumball out of the candy jar is 1/8...
probability
- The probability that San Francisco plays (#3222)
The probability that San Francisco plays in the next Super Bowl is nine times the probability that they do not play in the next Super Bowl. The probability that San Francisco plays in the next Super Bowl plus the probability that they do not play is 1...
probability
- The probability that San Fransisco plays (#3368)
The probability that San Fransisco plays in the next Super Bowl is nine times the probability that they do not play in the next Super Bowl. The probability that San Fransisco plays in the next Super Bowl plus the probability that they do not play is ...
probability
- The school day consists of four block classes (#2034)
The school day consists of four block classes, each 90 minutes long. Lunch is 30 minutes. Passing time between classes and lunch is 5 ...
probability
- There are 10 soccer players and 8 volleyball players (#2464)
There are 10 soccer players and 8 volleyball players in a room. How many different groups of 2 players can be chosen so that there are no soccer players in the ...
combinations, probability
- There are 12 candidates in a city election (#2133)
There are 12 candidates in a city election. The winner will be the mayor, and the runner-up will be the vice-...
combinations, factorial, probability
- There are 20 runners in a race (#1954)
There are 20 runners in a ...
factorial, probability
- There are 3 bags of apples (#710)
There are 3 bags of apples, one has two green apples, one has two red apples and one has 1 green and 1 red apple. All three bags are mislabeled. You may look at only one apple from any one of the ...
probability, statistics
- There are 3 entrances and 3 exits (#1484)
There are 3 entrances and 3 exits to a large parking ...
factorial, probability, statistics
- There are 3 sky blue marbles (#581)
There are 3 sky blue marbles and 3 hot pink marbles in a bag. What is the probability that I will draw out 1 sky blue ...
probability, statistics
- There are 4 digits on a lock (#1343)
There are 4 digits on a ...
factorial, probability, statistics
- There are 5 dancers standing (#2514)
There are 5 dancers standing in a horizontal line on a ...
probability
- There are 6 books but you can only choose (#3003)
There are 6 books but you can only choose 4 of ...
combinations, probability
- There are 6 purple socks and 4 orange socks (#1900)
There are 6 purple socks and 4 orange socks in a drawer. Zucky picked one sock with out looking and another without looking (or replacing the first)...
probability
- There are 9 pieces and 6 are cracked (#2038)
There are 9 pieces and 6 are cracked. What is the probability of getting no ...
probability
- There are four choices of apple and orange (#16)
There are four choices of apple and ...
combinations, probability, statistics
- There are four different floor plans (#2318)
There are four different floor plans, five exterior colors, and an option of either a two-car or three car ...
factorial, probability
- There are three red marbles and two white marbles in a bag (#2454)
There are three red marbles and two white marbles in a bag. What is the probability of picking one red marble followed by another red marble? (Assume that you keep the first marble out of the bag.)
probability
- There are three sections of science class available (#1420)
There are three sections of science class available at the convinient times for student. There is 24% chance from Professor Praful to give final exam, 15% chance for professor Ron, and 8% chance for Professor Sam to give final exam. At other times there are two maths classes, and in those the probability to give final exam is 2% and 10%...
tree diagram, statistics, probability
- There were 6 purple and 4 orange socks (#2484)
There were 6 purple and 4 orange socks in Zeke's ...
probability
- Three apples cost as much as four pears (#36)
Three apples cost as much as four pears. 3 pears cost as much as 2 ...
combinations, probability, statistics
- Two cards are chosen at random (#2681)
Two cards are chosen at random (uniformly) from a 52 card deck. Find the probabilities of the following events.
(a) Both cards are red.
(b) One card is an even number, 2-10, while the other is a spade.
(c) One card is black, while the other is a face card (jack, queen or king).
(d) Either both the cards are black, or both the cards are face cards (...
probability
- Vick wants to create a secret code (#3266)
Vick wants to create a secret code that consists of 4 ...
probability
- What is the probability of drawing two cards (#404)
What is the probability of drawing two cards that are not in the same suit when drawn simultaneously?
probability, statistics
- What is the probability of obtaining a sum (#739)
What is the probability of obtaining a sum of at least 6 when rolling a pair of dice?
probability, statistics
- You are rolling two standard 6 sided dice (#1865)
You are rolling two standard 6 sided dice. One die is red and the other is ...
probability
- You have 16 jelly beans (#3359)
You have 16 jelly beans: 4 are red, 8 are green and 4 are ...
probability
- You have 8 DVDs (#3291)
You have 8 DVDs: 2 science fiction, 2 western, 3 comedy, 1 drama. If you choose the DVDs at ...
probability
- You have twenty-two socks (#598)
You have twenty-two socks. Fortunately, you only have two colors white and ...
probability, statistics
- You want to buy 5 cds (#2461)
You want to buy 5 ...
permutations, probability
