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1 of 4 Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during

1 of 4

Number of Jobs A sociologist found that in a sample of 50 retired men, the average number of jobs they had during their lifetimes was 7.3. The population standard deviation is 2.3. Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is 7.3 Part: 1 / 4 Part 2 of 4 (b) Find the 90% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place

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