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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.190.19 inch....

A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.190.19 inch. ​(a) Determine the minimum sample size required to construct a 9999​% confidence interval for the population mean. Assume the population standard deviation is 0.60.6 inch. ​(b) The sample mean is 2828 inches. With a sample size of 7676​, a 9999​% level of​ confidence, and a population standard deviation of 0.60.6 ​inch, does it seem possible that the population mean could be less than 28.128.1 ​inches? Explain. Click here to view page 1 of the Standard Normal Table. LOADING... Click here to view page 2 of the Standard Normal Table. LOADING... ​(a) The minimum sample size required to construct a 9999​% confidence interval is nothingm soccer balls.

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