Multiple Choice Questions on A fair coin is tossed independently four times The probability of the event ldquo the number of time........... for NDA Exam Preparation

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Multiple Choice Questions

A fair coin is tossed independently four times The probability of the event ldquo the number of time...........

Mathematics (NDA) Probability
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    A fair coin is tossed independently four times. The probability of the event “ the number of times heads show up is more than the number of times tails show up ”  is?

    5/16

    Correct Answer

    15/16

    Incorrect Answer

    1/16

    Incorrect Answer

    7/16

    Incorrect Answer
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    Explanation:

    The coin is tossed 4 times

    P(number of heads > number of tails)

    =p(exactly 4 heads )+p(exactly 3 heads)

    =  4C4  (1/2)4  (1 -1/2)0  +  4C3   (1/2)3  (1 -1/2)1

    =1/16   +4/16

    =5/16

    By: bhavesh kumar singh
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