Let x be a normal random variable with its mean equal to 40 and standard deviation equal to 5. Find the following probabilities for this normal distribution. (a) P(x >55) (b) P(x <49)
Let x be a normal random variable with its mean equal to 40 and standard deviation equal to 5. Find the following probabilities for this normal distribution. (a) P(x >55) (b) P(x <49)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Transcribed Image Text:H.W 5b
Let x be a normal random variable with its mean equal to 40 and standard deviation
equal to 5. Find the following probabilities for this normal distribution.
(a) P(r >55)
(b) P(x <49)
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