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Probability of an event: definition...

Probability of an event: definition

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If 3/11 is the probabililty of an event A, then the probability of the event not A is……………….

If (2)/(11) is the probability of an event,what is the probability of the event not A

Knowledge Check

  • If P(A) denotes the probability of an event, then

    A
    `P(A) lt 0`
    B
    `P(A) gt 1`
    C
    `0 le P (A) le 1`
    D
    `-1 le P(A) le 1`

  • If the probability of an event is P, then the probability of its completmentry event will be

    A
    P-1
    B
    P
    C
    1-P
    D
    `1-(1)/(P)`

  • The probability of an event A is (4)/(5) . The probability of an event B, given that the event A occurs is (1)/(5) . The probability of event A, given that the event B occurs is (2)/(3) . The probability that neigher of the events occurs is

    A
    `(3)/(25)`
    B
    `(2)/(5)`
    C
    `(1)/(25)`
    D
    `(2)/(15)`

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