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ronholloway

  • 3 years ago

the odds against lounging larry winning the horse race are 5:8. determine the probability that lounging larry wins the horse race.

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  1. heisenberg
    • 3 years ago
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    The probability that something happens + the probability that something doesn't happen = 1

  2. heisenberg
    • 3 years ago
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    if the probability that larry doesn't win the horse race is 5/8, what is the probability he wins?

  3. ronholloway
    • 3 years ago
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    13/5

  4. heisenberg
    • 3 years ago
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    that doesn't seem right. it would equals 1 - 5/8

  5. heisenberg
    • 3 years ago
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    1 could also be written as \(\frac{8}{8}\)

  6. ronholloway
    • 3 years ago
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    is it 8/13

  7. heisenberg
    • 3 years ago
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    no, not that either. do you know how to subtract fractions? can you solve: \[\frac{8}{8} - \frac{5}{8} \]

  8. heisenberg
    • 3 years ago
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    ...wait i may be wrong :/ heh

  9. heisenberg
    • 3 years ago
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    if the odds that larry loses are 5:8 then that means the probability he loses is 5/13, I believe. which would make 8/13 correct (what you said initially)

  10. heisenberg
    • 3 years ago
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    because odds means x:y where x is one outcome and y is another. probably is x/y where x is one outcome and y is all possible outcomes.

  11. ronholloway
    • 3 years ago
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    ok got it thanks alot

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