Business week published information on 283 equity mutual funds. a sample of 40 of those funds is contained in the data set MutualFund. Use the data set to answer the following questions. a) develop a point estimate of the proportion of the Business Week equity funds that are load funds. b) develop a point estimate of the proportion of funds that are classified as high risk. c) develop a point estimate of the proportion of funds that have a below-average risk rating.