Question

Morningstar publishes ratings data on 1208 company stocks (Morningstar website, October 24, 2012). A sample of 40 of these stocks is contained in the data set Morningstar. Use the data set to answer the following questions.
a. Develop a point estimate of the proportion of the stocks that receive Morningstar’s highest rating of 5 Stars.
b. Develop a point estimate of the proportion of the Morningstar stocks that are rated Above Average with respect to business risk.
c. Develop a point estimate of the proportion of the Morningstar stocks that are rated 2 Stars or less.



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  • CreatedFebruary 16, 2015
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