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If a coin be tossed n times, then find t...

If a coin be tossed `n` times, then find the probability that the head comes odd times.

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If a coin is tossed n times, then find the probability that the head appears odd number of times.

A fair coin is tossed 9 times . Find the probability that it shows heads exactly 5 times .

Knowledge Check

  • If a fair coin is tossed 8 times , then the probability that it shows heads at least once is

    A
    `255/256`
    B
    `1/256`
    C
    `85/256`
    D
    `3/256`

  • A coin is tossed (2n+1) times, the probability that head appear odd number of times is

    A
    `(n)/(2n+1)`
    B
    `(n+1)/(2n+1)`
    C
    `1/2`
    D
    None of these

    • Similar Questions

    Explore conceptually related problems

    (i) A coin is tossed 7 times. What is the probability that head appears an odd number of times ? (ii) A coin is tossed 7 times. What is the probability that tail appears an odd number of times ? (iii) A coin is tossed 5 times. What is the probability that head appears an odd number of times ?

    A coin is tossed 7 times. What is the probability that head appears an odd number of times ?

    A coin is tossed 5 times. What is the probability that head appears an odd number of times?

    A coin is tossed 6 times . Find the probability of getting at least 3 heads .

    A fair coin is tossed 5 times . Find the probability that it shows exactly three times head.

    A fair coin is tossed 12 times. Find the probability that two heads do not occur consectively.

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