SOLUTION: Sue has two coins. One is fair, with head on one side and tail on the other. The second is a trick coin and has a tail on both sides. Sue pick up one of the coins at random and

Question 1103069: Sue has two coins. One is fair, with head on one side and tail on the other.
The second is a trick coin and has a tail on both sides. Sue pick up one of the coins at random and flips it. Find the probability that she picked up the fair coins, given that it lands tails up.

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Since both coins have at least one head on them, this information doesn't help you.
Since there are two coins, the probability would be,

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