A sack has 14 marbles in it: 6 yellow, 4 blue, 3 green, and 1 clear. Jean reaches in and picks one out at random. It is green. He puts it back and mixes up the marbles. Then Colette reaches into the sack and chooses a marble. What is the probability that Colette will select a green marble?

Question

john_es · Answer

Using again Laplace Rule, the result is 3/14. The extraction made by Jean doesn't matter for the random experiment.