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Math Help - Probability

  1. #1
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    Probability

    Hi guys
    need your help
    Probability-prob-38.jpg
    thanks
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by mauro21pl View Post
    Hi guys
    need your help
    Click image for larger version. 

Name:	prob 38.jpg 
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    thanks
    Total failures to rise T=0.02*0.5+0.03*0.3+0.05*0.2=0.029

    of which NA=0.02*0.5=0.01 are caused by A,

    So the proportion of failures caused by A is PA=0.01/0.029=0.345,
    or about 34.5%.

    RonL
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