A stock market analyst examined the performance of the shares of a large number ofcorporations. When the performance of these stocks was investigated year later, it turned out that 25 % performed much better than the market average ; 25 % performed much worse ; and remaining shares performed about the same as the average . 40% of the stocks that performed much better than the market average were rated as " good buys ” by the analyst ; as were 20 % of those that did about as well as market average and 10 % of those that did much worse than market average . What is the probability that a stock rated as “ good buys ” by the analyst performed much better than theaverage ?
A stock market analyst examined the performance of the shares of a large number ofcorporations. When the performance of these stocks was investigated year later, it turned out that 25 % performed much better than the market average ; 25 % performed much worse ; and remaining shares performed about the same as the average . 40% of the stocks that performed much better than the market average were rated as " good buys ” by the analyst ; as were 20 % of those that did about as well as market average and 10 % of those that did much worse than market average . What is the probability that a stock rated as “ good buys ” by the analyst performed much better than theaverage ?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 27PPS
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A stock market analyst examined the performance of the shares of a large number ofcorporations. When the performance of these stocks was investigated year later, it turned out that 25 % performed much better than the market average ; 25 % performed much worse ; and remaining shares performed about the same as the average . 40% of the stocks that performed much better than the market average were rated as " good buys ” by the analyst ; as were 20 % of those that did about as well as market average and 10 % of those that did much worse than market average . What is the probability that a stock rated as “ good buys ” by the analyst performed much better than theaverage ?
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