Confidence interval estimate for the population mean amount

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A bottled water distributor wants to estimate the amount of water contained in 1 -gallon bottles purchased from a nationally known water bottling company. The water bottling company's specifications state that the standard deviation of the amount of water is equal to 0.04 gallon. A random sample of 50 bottles is selected, and the sample mean amount of water per 1 -gallon bottle is 0.926 gallon.

Construct a 90?% confidence interval estimate for the population mean amount of water included in a? 1-gallon bottle. (round to 5 decimal places as needed).

Reference no: EM132522405

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