Question

A bag contains 4 white, 3 blue, and 5 red marbles.

Find the probability of choosing a red marble, then a white marble if the marbles are replaced
a) 1/12
b) 5/36
c) 5/6
d) 5/12**

Answer 1

If you replace it, then the moves are independent
5/12 * 4/12 = 5/(3*12) = 5/36

Answer 2

thank you