in 10th Grade Math.
in 11th Grade Math.
in 12th Grade Math.
in Probability and Statistics.
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Top Standard Deviation Word Problems
Homework Help Questions
- The average salary for first-year teachers is $27,989. If the distribution is approximately normal with a standard deviation of $3250, what is the probability that a randomly selected first-year teacher makes these salaries?
a. between $20,000 and $30,000 per year;
b. less than $20,000 per year.
- 13, 15, 24, 44, 50
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