group_quiz.ppt - 1 A company employs over 5000 workers of whom 20 are Hispanic If the 20 members of the union executive committee were chosen form the

group_quiz.ppt - 1 A company employs over 5000 workers of...

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1) A company employs over 5000 workers of whom 20% are Hispanic. If the 20 members of the union executive committee were chosen form the workers, without regard to ethnic background, the number of Hispanics on the committee would have the B ( 20, 0.2) distribution. What is the probability that 4 or fewer members of the committee are Hispanic? A.0.6296 B. 0.3819 C. 0.6181 D. 0.3704 E. 0.3999 A
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2) Pamela is playing an instant lottery game. What is the probability that she will not win until the 8th try if the probability of winning is one out of 100 on a single try?
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3) A basketball player has made 66% of his foul shots during the season. Assuming the shots are independent, find the probability that in tonight's game he misses for the first time on his 6th attempt?
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4) Stan brings a bag of five different-colored marbles to his multiple-choice statistics test which has possible answers A through E for each question. What is the probability Stan will get at
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