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hager

  • 3 years ago

A captain and a co-captain are randomly selected from the 12 members of a fencing team. Determine the probability that Lauren is chosen as the captain, and Isabel is chosen as the co-captain

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  1. hager
    • 3 years ago
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    is that 1/66

  2. perl
    • 3 years ago
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    there is one way to choose Lauren as captain and Isabel as co-captain. there are 12 choose 2 ways (permutations) to choose a captain and co-captain , (since order counts) so the answer is 1 / 12 P2

  3. perl
    • 3 years ago
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    1 / ( 12 * 11)

  4. hager
    • 3 years ago
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    1/32

  5. hager
    • 3 years ago
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    sorry i mean 1/132

  6. perl
    • 3 years ago
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    actually, one second

  7. perl
    • 3 years ago
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    yes I think thats right

  8. perl
    • 3 years ago
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    for the denominator, there are 12 ways to choose captain, and for each of these choices there are 11 remaining for co-captain , so 12 x 11 total ways to choose captain and co-captain

  9. perl
    • 3 years ago
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    is that one of the coices?

  10. perl
    • 3 years ago
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    is that one of the choices??

  11. hager
    • 3 years ago
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    ya

  12. hager
    • 3 years ago
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    thnx

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