A bottled water distributor wants to estimate the amount of water contained in 11-gallon bottles purchased...

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A bottled water distributor wants to estimate the amount of water contained in 11-gallon bottles purchased...

A bottled water distributor wants to estimate the amount of water contained in

11-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

11-gallon

bottle is

0.981

gallon. Complete parts (a) through (d).

a.

Construct a

95%

confidence interval estimate for the population mean amount of water included in a 1-gallon bottle.

B.Construct a

90%

confidence interval estimate. How does this change your answer to part (A)?

math Statistics-And-Probability

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Answer 2

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