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8 December, 15:53

Find P (not a 3). X 1 2 3 4P (X) 0.30 0.40 0.15 0.15

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  1. 8 December, 17:29
    0
    From the table,

    P (selecting a 3) = 0.15

    which means that,

    P (not a 3) = 1 - P (selecting a 3)

    P (not a 3) = 1 - 0.15

    P (not a 3) = 0.85

    Answer is 0.85
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