At an airline company, according to the records, the mean age of pilots is 36.2 years, and thestandard deviation is 3.7 years. Assume the variable is normally distributed. If random sample of 15pilots are selected, find the probability that the mean age of the pilots in the sample will be between36 and 37.5 years.A. 0.4963B. 0.4865C. 0.5194D. 0.6349E. 0.4754

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Answered: At an airline company, according to the…

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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Solve the problem.Assume that mountain lions' weights are normally distributed with a mean of 62.6 kilograms and a standard deviation of 2.6 kilograms. If 70 mountain lions are randomly selected, find the probability that they have a mean weight between 61.9 kilograms and 62.8 pounds.
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Mary drives to work each morning, and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of σ = 5 minutes. For a randomly selected morning, which is the probability that Mary’s drive to work will take between 39 and 43 minutes? a. 0.2620 b. 0.4206 c. 0.0793 d. 0.2380
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