ANSWER QUESTION 2 PLEASE

Part 4 of 4 (d) Which is smaller? Explain why. The % confidence interval is smaller since there is (Choose one) of a chance that the mean is contained in the interval as opposed to the % confidence interval.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 7.1. The population standard deviation is 2.2. Part: 0 / 4 Part 1 of 4 (a) Find the best point estimate of the mean. The best point estimate of the mean is 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. X 5 Part: 2 / 4 Part 3 of 4 (c) Find the 95% confidence interval of the mean number of jobs. Round intermediate and final answers to one decimal place