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A bag contains 15 red candies, 15 yellow candies, and 15 blue candies. What is the probability of randomly choosing two candies of the same color, without replacement?

A bag contains 15 red candies, 15 yellow candies, and 15 blue candies. What is the probability of randomly choosing two candies of the same color, without replacement?
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4 votes
A bag contains 15 red candies, 15 yellow candies, and 15 blue candies. What is the probability of randomly

choosing two candies of the same color, without replacement?

User Qinjie
by
8.2k points

1 Answer

7 votes


|\Omega|=45\cdot44=1980\\|A|=15\cdot14\cdot3=630\\\\P(A)=(630)/(1980)=(7)/(22)\approx31.8\%

User Philip McQuitty
by
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