Question
Download Solution PDFA bag contains 8 red and 5 blue balls. Two balls are drawn randomly. Find the probability that one ball is red and other is blue.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
A bag contains 8 red and 5 blue balls.
Formula:
Probability = (Favourable case)/(Total)
Calculation:
Total balls = 8 + 5 = 13
Two balls drawn 13C2 = 78
One ball is red and other is blue = 8C1 × (5C1) = 8 × 5 = 40
Required probability = 40/78 = 20/39
Last updated on Jun 17, 2025
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