mathematics

Overweight Men For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 31. The standard deviation of the population is 3.9 pounds. 8 Part 1 of 4 (a) The best point estimate of the mean is 31 pounds. Part: 1 / 4 Part 2 of 4 (b) Find the 90% confidence interval of the mean of these pounds. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place. 27.1