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Math Help - [SOLVED] probability

  1. #1
    Newbie
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    Feb 2009
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    14

    [SOLVED] probability

    It would be more than wonderful if someone had an answer for this:


    - Three players (S, T & U) are trying to hit the goal. The likelihoods that they will miss the goals are 5%(S) 10%(T) and 15%(U)

    - They are going to try again. What is the likelihood that 1.) They all succeed 2.) Two of them misses the goal
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  2. #2
    Junior Member
    Joined
    Feb 2009
    Posts
    39
    i believe as follows:

    P(S' and T' and U') = (1-0.05)*(1-0.1)*(1-0.15)
    = 0.72675

    P((S' and T and U)+(S and T' and U)+(S and T and U')) = (0.95*0.1*0.15)+(0.05*0.85*0.1)+(0.05*0.1*0.85)

    = 0.02275
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