Name: Formative Assessment 6.2 CP Statistics 03.09.2022 The study's confidence level was changed to 80% confidence. The corresponding interval is (26.74, 35.76) minutes for the sample size n = 40. Answer the following questions. c) Calculate the Critical Value (CV) at 80%? Show your calculation CV at 80% d) Calculate the Margin of Error for the 80% interval. Show your calculation. ME e) What is the problem (or risk) of decreasing the confidence level from 96% to 80%? Problem with lower C.L. f) Using the 80% confidence level, a reporter in a Buffalo newspaper was quoted as the average commute time for employed adults in northwestern NY state is about 30 minutes. Was the reporter correct? Explain Using the confidence interval