A fair coin is tossed a fixed number of times. If the probability of getting 7 heads is equal to... VIDEO
A fair coin is tossed a fixed number of times. If the probability of getting 7 heads is equal to getting 9 heads, then the probability of getting 2 heads is,
(A) \( 15 / 2^{8} \)
(B) \( 2 / 15 \)
(C) \( 15 / 2^{13} \)
(D) none of these
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