In Problem 7.26, suppose that the mean amount of juice squeezed is 5.0 ounces.
a. What is the probability that the sample mean amount of juice will be at least 4.60 ounces?
b. The probability is 70% that the sample mean amount of juice will be contained between what two values symmetrically distributed around the population mean?
c. The probability is 77% that the sample mean amount of juice will be greater than what value?