Among a group of 28 stocks, suppose that 14 will perform above average and the other 14 will perform below average. If you pick 9 stocks from this group, what is the probability that all 9 will be above average in performance?
Among a group of 28 stocks, suppose that 14 will perform above average and the other 14 will perform below average. If you pick 9 stocks from this group, what is the probability that all 9 will be above average in performance?
Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter14: Counting And Probability
Section14.CT: Chapter Test
Problem 11CT: Three people are chosen at random from a group of live men and ten women. What is the probability...
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Question
Among a group of 28 stocks, suppose that 14 will perform above average and the other 14 will perform below average. If you pick 9 stocks from this group, what is the probability that all 9 will be above average in performance?
Expert Solution
Step 1
Given that,
Above average =14
Below average =14
Total = 28
P(all 9 above average ) = ?
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