# SOLUTION: A coin is flipped twice. What is the probability that one head and one tail will occur?

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 Question 469918: A coin is flipped twice. What is the probability that one head and one tail will occur?Answer by Edwin McCravy(8880)   (Show Source): You can put this solution on YOUR website!A coin is flipped twice. What is the probability that one head and one tail will occur? ``` P[(head 1st AND tail 2nd) OR (tail 1st AND head 2nd)] AND means to multiply probabilities and OR means to ADD probabilities P(heads 1st)×P(tails 2nd) + P(tails 1st)×P(heads 2nd) All the probabilities are , so × + × = + = = Edwin```