AP EAMCET · Maths · Probability
The probabilities that A and B speak truth are and respectively. The probability that they contradict each other when asked to speak on a fact is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Probability of A speaking truth is PA=45 Probability of A not speaking truth is PA¯=1-PA=1-45=15 Probability of B speaking truth is PB=34 Probability of B not speaking truth is PB¯=1-PB=1-34=14 Probability that they contradict each other is=PB.PA+PA.PB…
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