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math - please help!!

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A squash match is won when one player wins three games. This situation is often referred to as winning the "best-three-out-of-five" Barbara has a slight edge in winning each game with the odds in favour of 5 to 4
a) what is the probability that maria will win in three straight games?
b) what is the probability of barbara's winning the match?

  • math - please help!! -

    P=favorable outcomes / possible outcomes
    5:4 = 5 / (5+4) = 5/9
    (5/9)*(5/9)*(5/9) = 125/729, which is as simple as it goes as far as i know.
    as for part b,
    i am not sure, and so i will refrain from answering because i will likely be wrong

  • math - please help!! -

    thank you!

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