The results of a nationwide aptitude test in mathematics are normally distributed with 80 as the mean and 15 as the standard deviation. Find the probability that a student receives a test score: a. Between 70 and 90 b. Greater than 85 c. Less than 80

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The results of a nationwide aptitude test in mathematics are normally distributed with 80 as the mean and 15 as the standard deviation. Find the probability that a student receives a test score: a. Between 70 and 90 b. Greater than 85 c. Less than 80
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