Question 1059201: An urn contains 900 balls of which 300 are white, 200 are red, and the rest are blue. What is the probability that in a random sample of 10 balls from the urn, there are exactly 5 white and exactly 2 blue balls?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! An urn contains 900 balls of which 300 are white, 200 are red, and the rest are blue.
Note:: There are 400 blue
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What is the probability that in a random sample of 10 balls from the urn, there are exactly 5 white and exactly 2 blue balls?
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Probability = (300C5 * 400C2 * 200C3)/900C10 = 0.02246
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Cheers,
Stan H.
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