A bag contains 5 red and 3 blue balls. If two balls are drawn, what is the probability that one is red and one is blue?

A15/28

B1/2

C1/4

D5/8

Explanation

Total = C(8,2) = 28. Favorable = C(5,1)*C(3,1) = 5*3 = 15. Prob = 15/28.

Exam Relevance

Topic: Probability
Subtopic: Ball Selection

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