A pool of 12 semifinalists for a job consists of 8 men and 4 women. Because all are considered equally qualified, the names of two of the semifinalists are drawn, one after the other, at random, to become finalists for the job. (Round your answers to one decimal place.) (a) What is the probability (as a %) that both finalists are women? Let W₁ be the event that a woman is chosen on the first draw, W₂ be the event that a woman is chosen on the second draw, M₁ be the event that a man is chosen on the first draw, and M2 be the event that a man is chosen on the second draw. Then, as percents, P(W₁) = %, and thus P(W, n W₂) = P(W₂ | W₁₂) P(W₁) = % and P(W₂ | W₁) = Hence, the probability that both finalists are women is %. %. (b) What is the probability (as a %) that both finalists are men? 42.4 % (c) What is the probability (as a %) that one finalist is a woman and the other is a man? 9.1 %
A pool of 12 semifinalists for a job consists of 8 men and 4 women. Because all are considered equally qualified, the names of two of the semifinalists are drawn, one after the other, at random, to become finalists for the job. (Round your answers to one decimal place.) (a) What is the probability (as a %) that both finalists are women? Let W₁ be the event that a woman is chosen on the first draw, W₂ be the event that a woman is chosen on the second draw, M₁ be the event that a man is chosen on the first draw, and M2 be the event that a man is chosen on the second draw. Then, as percents, P(W₁) = %, and thus P(W, n W₂) = P(W₂ | W₁₂) P(W₁) = % and P(W₂ | W₁) = Hence, the probability that both finalists are women is %. %. (b) What is the probability (as a %) that both finalists are men? 42.4 % (c) What is the probability (as a %) that one finalist is a woman and the other is a man? 9.1 %
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 33E: Find the probability of each event. Drawing 5 orange cubes from a bowl containing 5 orange cubes and...
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