Part 3 of 4 (c) Find the 95% 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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3BGP
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This is not a graded assignment, just practice.

Overweight Men For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was
30. The standard deviation of the population is 4.6 pounds.
Part 1 of 4
(a) The best point estimate of the mean is 30 pounds.
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.
29.1 <u< 30.9
Part: 2/4
Part 3 of 4
(c) Find the 95% 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.
Transcribed Image Text:Overweight Men For a random sample of 70 overweight men, the mean of the number of pounds that they were overweight was 30. The standard deviation of the population is 4.6 pounds. Part 1 of 4 (a) The best point estimate of the mean is 30 pounds. 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. 29.1 <u< 30.9 Part: 2/4 Part 3 of 4 (c) Find the 95% 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.
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