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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?
asked 233k views
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?

asked
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\%

answered
User Philip McQuitty
by
8.6k points
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