If the average age of retirement for the entire population in a country is 60 years and the distribution is normal with a standard deviation of 4.5 years, what is the approximate age range in which 95% of people retire? A. 50 to 62 years old B. 51 to 69 years old C. 45 to 55 years old
If the average age of retirement for the entire population in a country is 60 years and the distribution is normal with a standard deviation of 4.5 years, what is the approximate age range in which 95% of people retire? A. 50 to 62 years old B. 51 to 69 years old C. 45 to 55 years old
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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If the average age of retirement for the entire population in a country is 60 years and the distribution is normal with a standard deviation of 4.5 years, what is the approximate age
A. 50 to 62 years old
B. 51 to 69 years old
C. 45 to 55 years old
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