You choose a tile at random from a bag containing 5 tiles with A, 9 tiles with B, and 4 tiles with C. You pick a second tile without replacing the first. Find each probability.

Question

You choose a tile at random from a bag containing 5 tiles with A, 9 tiles with B, and 4 tiles with C.  You pick a second tile without replacing the first.  Find each probability.

P (A then C)
P (C then B)

PsyDAG · Answer

If the events are independent, the probability of both/all events occurring is determined by multiplying the probabilities of the individual events. 5/18 * 4/(18-1) = ? Use same method for P(C then B)