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    Question

    If 5 coins are tossed at a time what's the probability of

    getting exactly one head?
    A 5/32 Correct Answer Incorrect Answer
    B 1/32 Correct Answer Incorrect Answer
    C 1/5 Correct Answer Incorrect Answer
    D 1/4 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Number of ways to get exactly one head =┬а 5 C 1┬а = 5

    And total number of ways = 2 5 ┬а= 32

    So probability = 5/32

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