Multiple Choice Questions on Suppose four coins are tossed simultaneously Then the probability of getting at least one head is ........ for CDS Exam Preparation

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Multiple Choice Questions

Suppose four coins are tossed simultaneously Then the probability of getting at least one head is ........

Quantitative Aptitude (CDS) Probability
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    Suppose four coins are tossed simultaneously. Then the probability of getting at least one head is?

    1/2

    Incorrect Answer

    1/15

    Incorrect Answer

    15/16

    Correct Answer

    1/16

    Incorrect Answer
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    Explanation:

    If four coins are tossed, then the total number of outcomes
    = 2^4 = 16
    Now the probability of getting no head
    = 1/16
    Therefore, the probability of getting at least one head
    = 1 – 1/16
    = 15/16

    By: bhavesh kumar singh
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