Question

A bag of marbles contains 5 red, 3 blue, 2 green, and 2 yellow marbles.
What is the probability that you choose a red marble and then a green marble assuming you replace the first marble?
A)
1
24
B)
5
72
C)
5
66
D)
5
6


b?

Answer 1

12 marbles in bag, both times
5 red
2 green
5/12 * 2/12 = 10/144 = 5/72
yes B)