Multiple Choice Questions on A biased coin with the probability of getting head equal to frac14 is tossed five times What is........... for NDA Exam Preparation

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Multiple Choice Questions

A biased coin with the probability of getting head equal to frac14 is tossed five times What is...........

Mathematics (NDA) Probability
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    A biased coin with the probability of getting head equal to ¼ is tossed five times. What is the probability of getting tail in all the first four tosses followed by head ?

    This questions was previously asked in
    2023 NDA -1 Math
    View All NDA Previous Year Papers

    \frac{81}{512}

    Incorrect Answer

    \frac{81}{1024}

    Incorrect Answer

    \frac{81}{256}

    Correct Answer

    \frac{27}{1024}

    Incorrect Answer
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    Explanation:

    \frac{81}{256}

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