If there is a box with seven white balls and five red balls. Two balls are drawn at random, what is the probability that one ball is white and the other red?

Question

rachita khemka · Answer

7 white and 5 red. so choose 1 from seven white balls and 1 from 5 red balls. this can be done in 7 c 1 x 5 c 1 = 35 total possibilities = 12 c 2 = 66. so probability = 35

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If there is a box with seven white balls and five red balls. Two balls are drawn at random, what is the probability that one ball is white and the other red?

If there is a box with seven white balls and five red balls. Two balls are drawn at random, what is the probability that one ball is white and the other red?

1 Answers

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