Question
A sociologist found that in a sample of 55 retired men, the average number of jobs they had during their lifetimes was 7.1. The population
A sociologist found that in a sample of 55 retired men, the average number of jobs they had during their lifetimes was 7.1. The population standard deviation is 1.8 a) Find the best point estimate of the mean. b) Find the 90% confidence interval of the mean number of jobs. c) Find the 99% confidence interval of the mean number of jobs.
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Differential Equations and Linear Algebra
Authors: Jerry Farlow, James E. Hall, Jean Marie McDill, Beverly H. West
2nd edition
131860615, 978-0131860612
