ProbabilityHard
Question
The probability that A speaks truth is 
, while this probability for B is 
. The probability that they contradict each other when asked to speak on a fact is
, while this probability for B is . The probability that they contradict each other when asked to speak on a fact isOptions
A.
B.
C.
D.
Solution
E1 : event denoting that A speaks truth
E2 : event denoting that B speaks truth
Probability that both contradicts each other =
E2 : event denoting that B speaks truth
Probability that both contradicts each other =
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