Multiple Choice Questions on An unbiased coin is tossed five times The outcome of each toss is either ahead or a tail The probabi........... for NDA Exam Preparation

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Multiple Choice Questions

An unbiased coin is tossed five times The outcome of each toss is either ahead or a tail The probabi...........

Mathematics (NDA) Probability
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    An unbiased coin is tossed five times. The outcome of each toss is either ahead or a tail. The probability of getting at least one head is?

    1/32

    Incorrect Answer

    25/32

    Incorrect Answer

    31/32

    Correct Answer

    3/32

    Incorrect Answer
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    Explanation:

    P(x≥1)=1-p(x=0)

     =1-  5C0(1/2)0  (1- 1/2)5

     =1-  1/32

    =31/32

    By: bhavesh kumar singh
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