question archive Madan Mohan Malaviya University of TechnologyBA 265 A bottled water distributor wants to estimate the amount of water contained in 1 - gallon bottles purchased from a nationally known water bottling company
Madan Mohan Malaviya University of TechnologyBA 265 A bottled water distributor wants to estimate the amount of water contained in 1 - gallon bottles purchased from a nationally known water bottling company
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Madan Mohan Malaviya University of TechnologyBA 265
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 0.02 gallon. A random sample of 50 bottles is selected, and the sample mean of the water per 1 - gallon bottle is 0.995 gallon.a. construct a 99% confidence interval estimate for the population mean of water included in a 1 - gallon bottle.
b. on the basis of these results, do you think that the distributor has a right to complain to the water bottling company? Why?
c. must you assume that the population amount of water per bottle is normally distributed here? Explain.
d. Construct a 95% confidence interval estimate. How does this change your answer to (b)?
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