SOLUTION: A gambler has two coins in his pocket, one fair coin and one two-headed coin. He selects a coin at random and flips it twice. If he gets two heads, what is the probability
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Question 1153412: A gambler has two coins in his pocket, one fair coin and one two-headed coin. He selects a coin at random and flips it twice. If he gets two heads, what is the probability that he selected the fair coin?
Answer by VFBundy(438) (Show Source): You can put this solution on YOUR website!
Probability of two heads with fair coin = 0.25
Probability of two heads with two-headed coin = 1
Probability that "two heads" result is with fair coin:
= = 0.2
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