1.

You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is

A. 1/4
B. 1/3
C. 1/2
D. 2/3
Answer» C. 1/2


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