Answer-A speaks the truth 5 out of 7 times and B speaks truth 8 out of 9 times. What is the probability tha...

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ATQ, Probability that A speak Truth, PA  5 Probability that B speak Truth, PB  89 Probability that A and B lie is PA lies17   PB lies19 Required probability   PAPBPAPB  57  19  17  89   563  863   1363

A speaks the truth 5 out of 7 times and B speaks truth 8 out of 9 times. What is the probability that they contradict each other in stating the same fact?

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