Suppose that X is normally distributed with mean 120 and standard deviation 16 A. What is the probability that X is greater than 140? Probability = B. What value of X does only the top 14% exceed? X =

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Suppose that X is normally distributed with mean 120 and standard deviation 10.
A. What is the probability that X is greater than 140?
Probability =
B. What value of X does only the top 14% exceed?
X =
Transcribed Image Text:Suppose that X is normally distributed with mean 120 and standard deviation 10. A. What is the probability that X is greater than 140? Probability = B. What value of X does only the top 14% exceed? X =
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