Essentials of Business Analytics (MindTap Course List)
Essentials of Business Analytics (MindTap Course List)
2nd Edition
ISBN: 9781305627734
Author: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
Publisher: Cengage Learning
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Chapter 6, Problem 4P

Morningstar publishes ratings data on 1,208 company stocks. A sample of 40 of these stocks is contained in the file named Morningstar. Use the Morningstar data set to answer the following questions.

  1. a. Develop a point estimate of the proportion of the stocks that receive Morningstar’s highest rating of 5 Stars.
  2. b. Develop a point estimate of the proportion of the Morningstar stocks that are rated Above Average with respect to business risk.
  3. c. Develop a point estimate of the proportion of the Morningstar stocks that are rated 2 Stars or less.
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Essentials of Business Analytics (MindTap Course List)

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