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anonymous

  • 5 years ago

A professional baseball team has 9 picthers, 5 insiders, and 11 other players. if 3 players names are selected at ramdom, determine the prob that all 3 are infielders?

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  1. anonymous
    • 5 years ago
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    You already did this problem...

  2. anonymous
    • 5 years ago
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    Just with different numbers

  3. anonymous
    • 5 years ago
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    how many total players are there?

  4. anonymous
    • 5 years ago
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    wouldnt it be 3/25?

  5. anonymous
    • 5 years ago
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    no, not so simple, because each time you select one, there is one less to select

  6. anonymous
    • 5 years ago
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    the first choice has a prob of 5/25 = 1/5

  7. anonymous
    • 5 years ago
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    the second has prob of 4/24 = 1/6

  8. anonymous
    • 5 years ago
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    RIGHT 5/25! not 3!

  9. anonymous
    • 5 years ago
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    and the third choice has a prob of 3/23 (doesn't reduce)

  10. anonymous
    • 5 years ago
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    so 1/5*1/6*3/23 = hmm... the 3 and 6 cancel, leaving a two in the denominator...

  11. anonymous
    • 5 years ago
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    1/(60*23) = 1/1380

  12. anonymous
    • 5 years ago
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    nope

  13. anonymous
    • 5 years ago
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    1/230

  14. anonymous
    • 5 years ago
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    Wait im confused! o_o

  15. anonymous
    • 5 years ago
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    I meant 1/(5*2*23) instead

  16. anonymous
    • 5 years ago
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    Ohhhh ok

  17. anonymous
    • 5 years ago
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    ok I almost the same one now

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