Question

.

A bag contains 3 blue marbles, 2 red marbles, and 5 green marbles. One marble is drawn from the bag, the color is recorded, and it is not put back into the bag. Another marble is drawn and its color is recorded. What is the probability of drawing two red marbles?

Answer 1

P(2 reds) = 1/45

Explanation:

P(2 reds) = P(1st red) * P (2nd red) = 2/10 * 1/9 = 1/45