Using Excel functions to solve. FHSU wants to know if all their students tend to drink more coffee during finals week than the usual semester average (of 3 cups per week). They ask a random sample of 75 students how many cups of coffee they drink during finals week and find the average to be 3.8 cups with a standard deviation of 1.2 cups. Construct a 95% confidence interval to estimate the population mean for finals week. State this interval below within an interpretive sentence tied to the given context.