Suppose the age at death for politicians can be modeled by an approximately normal distribution with a mean of 72.3 years and a standard deviation of 7.4 years. (Use a table or technology.) (a) Calculate the z-score representing the longest 25% of life expectancies for politicians. (Round your answer to two decimal places.) (b) Calculate the value (in years) representing the top 25% of life expectancies. (Round your answer to one decimal place.) yr
Suppose the age at death for politicians can be modeled by an approximately normal distribution with a mean of 72.3 years and a standard deviation of 7.4 years. (Use a table or technology.) (a) Calculate the z-score representing the longest 25% of life expectancies for politicians. (Round your answer to two decimal places.) (b) Calculate the value (in years) representing the top 25% of life expectancies. (Round your answer to one decimal place.) yr
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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Step 1: Define the data for the given distribution.
Let X denotes the life expectancy which follows normal distribution with the mean of 72.3 years and the standard deviation of 7.4 years
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