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11.Overweight Men For a random sample of 60 overweight men, the mean of the r they were overweight was 30. The standard deviation of the

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11.Overweight Men For a random sample of 60 overweight men, the mean of the r they were overweight was 30. The standard deviation of the population is 4.2 pound a. Find the best point estimate of the average number of excess pounds that they b.Find the 95% confidence interval of the mean of these pounds. c.Find the 99% confidence interval of these pounds. d. Which interval is larger? Why

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