When tossed, a certain coin has equal probability of landing on either side. If the coin is tossed 5 times, what is the probability that it will land on either side all 5 times?\nOptions:\n(A) 1/5\n(B) 1/10\n(C) 1/12\n(D) 1/16\n(E) 1/32 OK. Let's think. Some random thoughts first:
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Must be either 5 heads or 5 tails\n1/2*1/2*1/2*1/2*1/2 + 1/2*1/2*1/2*1/2*1/2\n1/32 + 1/32 = 1/16 The answer: (D).
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