2 Answered Questions for the topic Standard Distribution

Standard Distribution Math Statistics Normal Distribution

12/01/19

SAT scores: The College Board reports that in a recent year, the mean mathematics SAT score was 514, and the standard deviation was 118. A sample of 65 scores is chosen.
SAT scores: The College Board reports that in a recent year, the mean mathematics SAT score was 514, and the standard deviation was 118. A sample of 65 scores is chosen. a. What is the probability... more
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Standard Distribution Math Statistics Probability

11/04/18

What is the what is the probability that a normal random variable has an outcome within 2 standard deviations of the mean?
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