4. A sociologist discovered that an average of 7.2 jobs was held by 50 retired men during the course of their lives. The standard deviation of the population is 2.1. Calculate the 95% confidence interval for the average number of jobs
4. A sociologist discovered that an average of 7.2 jobs was held by 50 retired men during the course of their lives. The standard deviation of the population is 2.1. Calculate the 95% confidence interval for the average number of jobs
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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4. A sociologist discovered that an average of 7.2 jobs was held by 50 retired men during
the course of their lives. The standard deviation of the population is 2.1. Calculate the
95% confidence interval for the average number of jobs
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