Red-cardedDiscrete Mathematics Level 2
There are three cards on a table. One of them is black on both sides, one of them is black on one side and red on the other, and one of them is red on both sides.
One of these three cards is selected at random and placed on a second table with a side randomly chosen to face up. The side facing upward is red.
What is the probability that the side facing the table is also red?