SOLUTION: An urn contains 8 white balls and 10 orange balls. If Sam chooses 12 balls at random from the urn, what is the probability that he will select 5 white balls and 7 orange balls
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Question 1113283: An urn contains 8 white balls and 10 orange balls. If Sam chooses 12 balls at random from the urn, what is the probability that he will select 5 white balls and 7 orange balls? Round your answer to 3 decimal places.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
Probability = (number of favorable outcomes)/(total number of possible outcomes).
The favorable outcomes are choosing 5 of the 8 white balls and 7 of the 10 orange balls. The number of ways to do that is .
The total number of possible outcomes is choosing 12 of the 18 balls: .
Use a calculator; and round as directed....
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