Retailers-consumers have right to complain to manufacturers

Reference no: EM13128014

A food-testing laboratory abu dhabi commissioned carry estimate a mount olive oil contained 1-gallon tins purchased a range international olive oil producers.

a. Construct a 99% confidence interval estimate of the population mean amount of olive oil included in a 1-gallon tin.
b. On the basis of these results, do you think retailers and consumers have a right to complain to the manufacturers? Why?
c. Must you assume that the population amount of olive oil per tin is normally distributed here? Explain.
d. Construct a 95% confidence interval estimate. How does this change your answer to (b)?

Reference no: EM13128014

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