A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 inch. (a)

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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 inch.

(a) Determine the minimum sample size required to construct a 99% confidence interval for the population mean. Assume the population standard deviation is 0.25 inch.

(b) Repeat part (a) using a population standard deviation of 0.3 inch.

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Elementary Statistics Picturing The World

ISBN: 9780321911216

6th Edition

Authors: Ron Larson, Betsy Farber

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Question Posted: Nov 24, 2015 07:48 AM

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A soccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 inch. (a)

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a n z c E 2 2575 025 01 2 41441 42 soccer balls b n ...View the full answer

Elementary Statistics Picturing The World

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