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The probability that an event A happens ...

The probability that an event A happens in one trial of an experiment, is 0.4 There independent trials of the experiments are performed. The probability that the event A happens atleast once, is

A

0.936

B

0.932

C

0.948

D

0.946

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The correct Answer is:
A
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Knowledge Check

  • The probability that an event A happens in one trial of an experiment is 0.4. Three independent trials of the experiment are formed. The probability that the event A happens at least once is

    A
    `0*936`
    B
    `0*784`
    C
    `0*904`
    D
    none

  • The probability that an event A happens in one trial of an experiment is 0.4. Three independent trials of the experiment are formed. The probability that the event A happens at least once is

    A
    `0*936`
    B
    `0*784`
    C
    `0*904`
    D
    none

  • The probability that an event A happens in one trial of an experiment is 0.7. Three independent rials of the experiment are performed. The probability that the event A happens at least once is

    A
    `*657`
    B
    `*973`
    C
    `*027`
    D
    `*343`

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