Probability · Class 12 · CBSE · Science Mathematics
A bag contains 5 red balls and 3 blue balls. Two balls are drawn successively without replacement. What is the probability that the second ball is re…
Practice question from Probability (Class 12 · CBSE · Science Mathematics), with the correct answer and a step-by-step solution.
easy · MCQ · Q-1B81FE
A bag contains 5 red balls and 3 blue balls. Two balls are drawn successively without replacement. What is the probability that the second ball is red, given that the first ball drawn is blue?
- A.5/8
- B.5/7Correct answer
- C.3/7
- D.1/2
Solution
Given that the first ball is blue, 7 balls remain, of which 5 are red. Therefore, .
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