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In her MAT135 class, professor Alayeb found that the mean score of the first exam was 62. Suppose that the scores are normally distributed with a standard deviation of 20 points. What is the probability that a randomly selected score is less than 59? P(x<59) = What is the probability that a randomly selected score is more than 72? P(x>72) = what is the probability that a randomly selected score is between 59 and 72 ? P(59 < x <72) =

In her MAT135 class, professor Alayeb found that the mean score of the first exam was 62. Suppose that the scores are normally distributed with a standard deviation of 20 points. What is the probability that a randomly selected score is less than 59? P(x<59) = What is the probability that a randomly selected score is more than 72? P(x>72) = what is the probability that a randomly selected score is between 59 and 72 ? P(59 < x <72) =

A First Course in Probability (10th Edition)
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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In her MAT135 class, professor Alayeb found that the mean score of the first exam was 62. Suppose that the scores are normally distributed with a standard deviation of 20 points. What is the probability that a randomly selected score is less than 59? P(x<59) = What is the probability that a randomly selected score is more than 72? P(x>72) = what is the probability that a randomly selected score is between 59 and 72 ? P(59 < x <72) = Submit Question
Transcribed Image Text:In her MAT135 class, professor Alayeb found that the mean score of the first exam was 62. Suppose that the scores are normally distributed with a standard deviation of 20 points. What is the probability that a randomly selected score is less than 59? P(x<59) = What is the probability that a randomly selected score is more than 72? P(x>72) = what is the probability that a randomly selected score is between 59 and 72 ? P(59 < x <72) = Submit Question
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