UPSC NDA I 2010 Mathematics Paper
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Question : 112 of 120
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An observed event B can occur after one of the three events A 1 , A 2 , A 3 P ( A 1 ) = P ( A 2 ) = 0.4 , P ( A 3 ) = 0.2 P ( B ∣ A 1 ) = 0.25 , P ( B ∣ A 2 ) = 0.4 P ( B ∣ A 3 ) = 0.125 A 1 B
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