Question 14 In her MAT135 class, professor Alayeb found that the mean score of the first exam was 48. Suppose that the scores are normally distributed with a standard deviation of 11 points. What is the probability that a randomly selected score is less than 59? (use 2 decimals) P(x<59) = What is the probability that a randomly selected score is more than 81? (use 2 decimals) P(x>81) = what is the probability that a randomly selected score is between 59 and 81 ? (use 2 decimals) P(59

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Question 14
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In her MAT135 class, professor Alayeb found that the mean score of the first exam was 48. Suppose that the
scores are normally distributed with a standard deviation of 11 points.
What is the probability that a randomly selected score is less than 59? (use 2 decimals)
Р(x<59) -
What is the probability that a randomly selected score is more than 81? (use 2 decimals)
P(x>81) =
what is the probability that a randomly selected score is between 59 and 81 ? (use 2 decimals)
P(59<x<81) =
%3D
Transcribed Image Text:Question 14 > In her MAT135 class, professor Alayeb found that the mean score of the first exam was 48. Suppose that the scores are normally distributed with a standard deviation of 11 points. What is the probability that a randomly selected score is less than 59? (use 2 decimals) Р(x<59) - What is the probability that a randomly selected score is more than 81? (use 2 decimals) P(x>81) = what is the probability that a randomly selected score is between 59 and 81 ? (use 2 decimals) P(59<x<81) = %3D
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