10. Morningstar publishes ratings data on 1208 company stocks (Morningstar website, October 24, 2012). A sample of 40 of these stocks is contained in the WEBfile named Morningstar. Use the Morningstar data set to answer the following questions. 125 a. I Develop a point estimate of the proportion of the stocks that receive Morningstar's volgins /highest rating of 5 Stars, i siqmia oli 101 .q nothogong of b. Develop a point estimate of the proportion of the Morningstar stocks that are rated assvolo Above Average with respect to business risk. Jos|98 sw c. Develop a point estimate of the proportion of the Morningstar stocks that are rated 2 Stars or less.10. Morningstar publishes ratings data on 1208 company stocks (Morningstar website, October 24, 2012). A sample of 40 of these stocks is contained in the WEBfile named Morningstar. Use the Morningstar data set to answer the following questions. 125 a. I Develop a point estimate of the proportion of the stocks that receive Morningstar's volgins /highest rating of 5 Stars, i siqmia oli 101 .q nothogong of b. Develop a point estimate of the proportion of the Morningstar stocks that are rated assvolo Above Average with respect to business risk. Jos|98 sw c. Develop a point estimate of the proportion of the Morningstar stocks that are rated 2 Stars or less