SOLUTION: A bag contains 5 yellow marbles, 7 black marbles, and 3 blue marbles.If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing fi

Algebra ->  Probability-and-statistics -> SOLUTION: A bag contains 5 yellow marbles, 7 black marbles, and 3 blue marbles.If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing fi      Log On


   

Question 1124986: A bag contains 5 yellow marbles, 7 black marbles, and 3 blue marbles.If a marble is drawn from the bag, replaced, and another marble is drawn, what is the probability of drawing first a yellow marble and then a blue marble?
Answer by math_helper(2461) About Me  (Show Source):
You can put this solution on YOUR website!
There are 5+7+3 = 15 marbles in all
P(Y) = 5/15 = 1/3
P(B) = 3/15 = 1/5
P(Y then B, with replacement) = P(Y)*P(B) = (1/3)(1/5) = +highlight%28+1%2F15+%29+