Question

Suppose you choose a marble from a bag containing 4 red marbles, 2 white marbles, and 3 blue marbles. You return the first marble to the bag and then choose again. Find P(red and blue).

A. 4/3

B. 2/3

C. 7/9

D. 4/27

Answer 1

find the total number of marbles.

Answer 2

\[{4 \over 9} \times {3 \over 9} = {12 \over 81} = {4 \over 27}\]