Question

A bag has 5 red marbles, 6 black marbles and 4 blue marbles. what is the probability of picking a redmarble, replacing it, and then picking a blue marble?

Answer 1

A = picking a red marble

B = picking a blue marble

P(A * B) = (5/15)(4/15)
P(A * B) = 20/225 or 4/45