Here are a few more questions:

1. Suppose P ( A) = 0.71, P (B) = 0.53 and P (A B) = 0.28 . Find P (B|A^c)

2.Suppose we select, without looking, one marble from a bag containing 4 red marbles and 10 green marbles.What is the probability of selecting a green marble?

3.From a bag containing 5 nickels, 8 dimes, and 7 quarters, 5 coins are drawn at random and all at once. What is the probability of getting 2 nickels, 2 dimes, and 1 quarter?