The manager of a paint supply store wants to estimate the actual

The manager of a paint supply store wants to estimate the actual amount of paint contained in gallon can s purchased from a nationally know manufacturer. The manufacturer specification state that the SD of the amount of paint is equal to 0.02gallon. A random sample of 50 cans  is selected and the sample mean amt of paint per 1 –gallon can is 0.995 gallon

A)Construct a 99% confidence interval estimate for the population men amount of paint included in  a 1 gallon can.

B)On the basis of these result do you think that the manager has a right to complain to the manufacturer? why?

C)Must you assume that the population amount of paint per can is normally distributed here? explain.

D)Construct a 95%  confidence interval estimate. How does this change your answer to b?

 

Need your ASSIGNMENT done? Use our paper writing service to score better and meet your deadline.


Click Here to Make an Order Click Here to Hire a Writer