Q: A fair coin is tossed repeatedly. If head appears on the first four tosses, then the probability of appearance of tail on the fifth toss is.\nOptions:\n(A) 1/7\n(B) 1/2\n(C) 3/7\n(D) 2/3\n(E) 1/3 Let's give some random thoughts before answering.
User
Since the coin is a fair coin, every toss is independent of any other toss. Hence, the probability of appearance of tail on the fifth toss is = 1/2
Therefore, the answer is (B).
Assistant