SOLUTION: Please help!!
Question:
A box contains 4 red and 7 green marbles. You reach in and remove 2 marbles all at once. What is the probability of picking one red marble, and one gree
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Permutations
-> SOLUTION: Please help!!
Question:
A box contains 4 red and 7 green marbles. You reach in and remove 2 marbles all at once. What is the probability of picking one red marble, and one gree
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Question 1111761: Please help!!
Question:
A box contains 4 red and 7 green marbles. You reach in and remove 2 marbles all at once. What is the probability of picking one red marble, and one green marble? Answer by rothauserc(4718) (Show Source):
You can put this solution on YOUR website! probability (P) of picking one red marble, and one green marble is
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there are 11C2 ways to pick two marbles out of 11 without replacement, where 11C2 = 11!/(2! * (11-2)!) = 55 ways
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then we have
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(4C1 * 7C1) / 55 = 28/55 = 0.5091
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