Answer to Question #37580 in Statistics and Probability for michelle

Question

acme educators knows that the average test grade for its certification exams is 82 and the standard deviation for these is 12 points. what are the grades for the top 50% of test takers? what are the grades for the top 15%? what percent of test takers are expected to score below 90? what is the probability that a test taker will score under 75?

Answer 1

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