In his MTH173 class, Professor Fibonacci found that the mean score of the first test was 61. Suppose that the scores are normally distributed with a standard deviation of 5 points. What is the probability that a randomly selected score is less than 72? P(x < 72) - What is the probability that a randomly selected score is more than 81? P(x > 81) = what is the probability that a randomly selected score is between 72 and 81? P(72 < x < 81) =

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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In his MTH173 class, Professor Fibonacci found that the mean score of the first test was 61. Suppose that
the scores are normally distributed with a standard deviation of 5 points.
What is the probability that a randomly selected score is less than 72?
P(z < 72) =
What is the probability that a randomly selected score is more than 81?
P(r > 81) =
%3D
what is the probability that a randomly selected score is between 72 and 81?
P(72 < z < 81) -
Transcribed Image Text:In his MTH173 class, Professor Fibonacci found that the mean score of the first test was 61. Suppose that the scores are normally distributed with a standard deviation of 5 points. What is the probability that a randomly selected score is less than 72? P(z < 72) = What is the probability that a randomly selected score is more than 81? P(r > 81) = %3D what is the probability that a randomly selected score is between 72 and 81? P(72 < z < 81) -
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