SOLUTION: Three quarters, two dimes, and five nickels are placed in a bag. A coin is randomly chosen and not replaced. Another coin is chosen. What is the probability that both are quarters?

Algebra ->  Probability-and-statistics -> SOLUTION: Three quarters, two dimes, and five nickels are placed in a bag. A coin is randomly chosen and not replaced. Another coin is chosen. What is the probability that both are quarters?      Log On


   

Question 292641: Three quarters, two dimes, and five nickels are placed in a bag. A coin is randomly chosen and not replaced. Another coin is chosen. What is the probability that both are quarters? how do you get the answer to this?

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
there are 45 ways (10C2) to draw two coins from the bag

there are 3 ways (3C2) to draw two quarters out of three

so the probability of two quarters is 3/45 or 1/15