SOLUTION: Assume that you select 4 coins at random from 11 coins: 6 dimes and 5 quarters. What is the probability that all of the coins selected are dimes? Enter your answer as a fraction.

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Question 989825: Assume that you select 4 coins at random from 11 coins: 6 dimes and 5 quarters.
What is the probability that all of the coins selected are dimes? Enter your answer as a fraction.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
total: 11 choose 4 = 330
only dimes: 6 choose 4 = 15

probability = 15/330 = 1/22