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

0.01

gallon. A random sample of

50

bottles is selected, and the sample mean amount of water per

1-gallon

bottle is

0.994

Construct a

90%

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

enter your response

(Round to five decimal places as needed.)