SOLUTION: In a class on probability, a lecturer flips two balanced coins. Both fall to the floor and roll under his desk. A student in the front row informs the professor that he can see bot

SOLUTION: In a class on probability, a lecturer flips two balanced coins. Both fall to the floor and roll under his desk. A student in the front row informs the professor that he can see bot

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Question 520031: In a class on probability, a lecturer flips two balanced coins. Both fall to the floor and roll under his desk. A student in the front row informs the professor that he can see both coins and reports that at least one of them shows tails. What is the probability that the other coin is also tails?
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!
It's still 1/2 because the student told us nothing about it.
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