Question
The probability that A speaks truth is 45, while this probability for B is 34. The probability that they contradict each other when asked to speak on a fact is
Answer: Option D
:
D
In short the event described here is P(A)'P(B) +P(A)P(B)'
where P(A) and P(B) is the probability of A and B speaking the truth.
P(E)= 15×34+45×14
P(E)=320+420=720=1440
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:
D
In short the event described here is P(A)'P(B) +P(A)P(B)'
where P(A) and P(B) is the probability of A and B speaking the truth.
P(E)= 15×34+45×14
P(E)=320+420=720=1440
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