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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.17 inch. (a) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 0.6 inch. (b) The sample mean is 27.3 inches. With a sample size of 92, a 99% level of confidence, and a population standard deviation of 0.6 inch, does it seem possible that the population mean could be less than 27.4 inches? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 99% confidence interval is soccer balls. (Round up to the nearest whole number.)

A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.17 inch. (a) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 0.6 inch. (b) The sample mean is 27.3 inches. With a sample size of 92, a 99% level of confidence, and a population standard deviation of 0.6 inch, does it seem possible that the population mean could be less than 27.4 inches? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 99% confidence interval is soccer balls. (Round up to the nearest whole number.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.17 inch. (a) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 0.6 inch. (b) The sample mean is 27.3 inches. With a sample size of 92, a 99% level of confidence, and a population standard deviation of 0.6 inch, does it seem possible that the population mean could be less than 27.4 inches? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 99% confidence interval is soccer balls. (Round up to the nearest whole number.)
Transcribed Image Text:A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.17 inch. (a) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 0.6 inch. (b) The sample mean is 27.3 inches. With a sample size of 92, a 99% level of confidence, and a population standard deviation of 0.6 inch, does it seem possible that the population mean could be less than 27.4 inches? Explain. Click here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. (a) The minimum sample size required to construct a 99% confidence interval is soccer balls. (Round up to the nearest whole number.)
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