SOLUTION: I have a probability question: Sam has a bag that contains 12 clear marbles and 6 red marbles. He randomly draws 2 marbles one after the other. What is the probability that the fir

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: I have a probability question: Sam has a bag that contains 12 clear marbles and 6 red marbles. He randomly draws 2 marbles one after the other. What is the probability that the fir      Log On


   

Question 1078075: I have a probability question: Sam has a bag that contains 12 clear marbles and 6 red marbles. He randomly draws 2 marbles one after the other. What is the probability that the first marble is clear and the second marble is red if the marbles are drawn?
(a) without replacement? (b) with replacement?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Without replacement,
P=P%28C%29%2AP%28R%29=+%2812%2F18%29%286%2F17%29+=+4%2F17
With replacement,
P=P%28C%29%2AP%28R%29=+%2812%2F18%29%286%2F18%29+=+2%2F9