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If A is an event of a smaples space S...

If A is an event of a smaples space S, then P(A) = ……..

A

`(n(A))/(n(S))`

B

`(1)/(n(S))`

C

`(n(S))/(n(A))`

D

`(1)/(n(A))`

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Knowledge Check

  • If A an event in a sample space S, then

    A
    `A le S`
    B
    `A supe S`
    C
    `A sube S`
    D
    `A= phi`

  • If A and B are any two events in a sample space S, then P(A cap B') + P(A' cap B) + p (A' cap B') is the probability of occurrence of

    A
    neither A nor B or both
    B
    at least one of A and B
    C
    At most one of A, B
    D
    exactly one of A, B

  • If A, B, C are pair-wise mutually exclusive, and exhaustive, events of a sample space S, then P(A) + P(B) +P(C) =

    A
    0
    B
    `1/3`
    C
    1
    D
    `2/3`

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    If A and B are any two events of a sample space S that P(A) = 2/5, P(B) = 1/3 and P(A capB) = 2/15, find P(A' cap B') .

    If A and B are any two events of a sample space S such that P(A) = 0.8, P(B) = 0.6 and P(AcapB)=0.5," find " P(Acup B) and P(B'//A').

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