Question

PLEASE HELP!! SHOW WORK!!A bag has five red marbles, six blue marbles, and four black marbles. What is the probability of picking a blue marble, replacing it, and then picking a red marble?
a)8/75
b)3/5
c) 2/15
d)4/45

Answer 1

The answer is 2/15
6/15 * 5/15 = 30/225 = 6/45 = 2/15