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anonymous

  • 4 years ago

Assume that there are 6 different issues of Sports Illustrated, 7 different issues of Time, and 3 different issues of Newsweek, including the December 1st issue, on the rack. You choose 4 of them at random. (1) What is the probability that exactly 1 is an issue issue of Sports Illustrated? (2) What is the probability that you choose the December 1st issue of Newsweek?

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  1. Directrix
    • 4 years ago
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    (1) [C(6,1) C(10,3)] / C(16,4) = 36/91 = .396 approx

  2. Directrix
    • 4 years ago
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    (2) [C(1,1) C(15,3)] / C(16,4) = 1/4 = .25

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