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A man tosses a coin 10 times, scoring 1 point for each head and 2 points for each tail. Let P(K) be the probability of scoring at least K points. The

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A man tosses a coin 10 times, scoring 1 point for each head and 2 points for each tail. Let P(K) be the probability of scoring at least K points. The largest value of K such that `P(K)gt1//2` is -
A. 14
B. 15
C. 16
D. 17
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Correct Answer - A::B
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`P(Yge10)=1`.
On observation the maximum value of k will be 15 whose probability is greater than `(1)/(2)`.
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