imferen ) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 6 inch. ) The sample mean is 27.6 inches. With a sample size of 82, a 99% level of confidence, and a population standard deviation of 0.6 inch, does it seem possible at the population mean could be less than 27.7 inches? Explain. lick here to view page 1 of the Standard Normal Table. Click here to view page 2 of the Standard Normal Table. ) The minimum sample size required to construct a 99% confidence interval is soccer balls. ound up to the nearest whole number.)

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Author:Amos Gilat
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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.18 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 27.6 inches. With a sample size of 82, 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 27.7 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
(Round up to the nearest whole number.)
soccer balls.
Transcribed Image Text:A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.18 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 27.6 inches. With a sample size of 82, 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 27.7 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 (Round up to the nearest whole number.) soccer balls.
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