In the first quarter of 2017 , a group of mutual funds had a mean return of 6.1% and a standard deviation of 2.7%. The returns were well-described by a Normal model. According to the Normal model N( 6.1%,2.7%) determine what percentage of this group of funds you would expect to have the following returns. a) Over 6.8% ? b) Between 0% and 7.6% ? c) More than 1% ? d) Less than 0% ? a) The expected percentage of returns that are over 6.8% is %. (Type an integer or a decimal rounded to one decimal place as needed.)