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anonymous

  • 5 years ago

25 students in a class. 9 spoke only english, 5 spoke only spanish, 4 spoke only russian, 4 spoke only vietnamese, and 3 spoke only hmong. find the probability that in a group of 5 chosen at random that no one speaks vietnamese or hmong.

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  1. anonymous
    • 5 years ago
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    I think it's 7x6x5x4x3x2 divided by 25^5 (total) Cause they're total of 7 Viet + Hmong The first one is 7, then 6, then, 5, then 4, then, 2 (the 5th one)....Idk...I forgot...T.T

  2. anonymous
    • 5 years ago
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    the correct answer is 0.1613 but i cant get there.

  3. anonymous
    • 5 years ago
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    18/25 * 17/24 * 16/23 * 15/22 * 14/21

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