The average age of college presidents is 56 years, with a standard deviation of 4years. Assuming the ages are normally distributed, about what percentage of collegepresidents are between 56 and 59 years old?77.34%27.34%84.13%34.13%65%100%

Suppose a random variable X has mean µ and standard deviation σ. Therefore, the z-score of that…

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The average age of college presidents is 56 years, with a standard deviation of 4 years. Assuming the ages are normally distributed, about what percentage of college presidents are between 56 and 59 years old? 77.34% 27.34% 84.13% 34.13% 65% 100%