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21 April, 06:34

There is 0.3 probability that a group of insured motorists have an accident in a decade. If there are 640 insured motorists, what is the mean number of accidents in a decade?

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  1. 21 April, 07:20
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    192

    Step-by-step explanation:

    to find the mean you have to use this formula: mean = N (total number of trials) times P (probability of "success")

    n=640

    p=0.3

    640x0.3 = 192
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