= Test: Exam #2 This question: 4 point(s) possible The quarterly returns for a group of 66 mutual funds with a mean of 2.6% and a standard deviation of 6.2% can be modeled by a Normal model. Based on the model N(0.026,0.062), what are the cutoff values for the a) highest 40% of these funds? b) lowest 20%? c) middle 80%? d) highest 80%? a) Select the correct choice and fill in any answer boxes in your choice below. (Round to two decimal places as needed.) O A. % %