SOLUTION: there are three cards, one that is green on both sides, one that is red on both sides, and one that is green one side and red on the other. One of the three cards is selected rando

Algebra ->  Probability-and-statistics -> SOLUTION: there are three cards, one that is green on both sides, one that is red on both sides, and one that is green one side and red on the other. One of the three cards is selected rando      Log On


   

Question 1069278: there are three cards, one that is green on both sides, one that is red on both sides, and one that is green one side and red on the other. One of the three cards is selected randomly and laid on the table. If it happens that the card on the table has a red side up, what is the probability that it is also red on the other side.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Two cards have at least one red side.
One card has two red sides.
P%28RR%29=1%2F2