Question

a bag contains 9 white marbles, 5 yellow marbles, and 3 black marbles. if a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a white marble and then a black marble?

Answer 1

17 marbles in all

A marble is drawn from the bag, replaced, and another marble is drawn.

P(white, then black) = (9/17)(3/17) = 27/289