Amarketing research company desires to know the mean consumption of milk per week among males over age 25. they believe that the milk consumption has a mean of 4.7 liters, and want to construct a 99%99% confidence interval with a maximum error of 0.06 liters. assuming a standard deviation of 1.5 liters, what is the minimum number of males over age 25 they must include in their sample? round your answer up to the next integer.