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A die is rolled. If the outcome is an ev...

A die is rolled. If the outcome is an even number, what is the probability that it is a prime number ?

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The correct Answer is:
Now, `P(B//A) = (P(A nn B))/(P(A)) = (1)/((6)/((1)/(2))) = (1)/(underset3(cancel6))xx (cancel2)/(1) = 1/3`
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Knowledge Check

  • An integer is chosen from the first twenty natural number, the probability that it is a prime number is ……………….. .

    A
    `1/5`
    B
    `2/5`
    C
    `3/5`
    D
    `4/5`

  • An integer is chosen from the first twenty natural number, the probability that it is a prime number is ……………….. .

    A
    `1/5`
    B
    `2/5`
    C
    `3/4`
    D
    `3/5`

  • The only even prime number is

    A
    4
    B
    6
    C
    2
    D
    0

    • Similar Questions

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