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The Probability That A Speaks Truth Is 3/5 And That Of B Speaking Truth Is 4/7. What Is The Probability That They Agree In Stating The Same Fact?

Answer»

If both AGREE STATING the same fact, either both of them speak TRUTH of both speak false.

PROBABILITY = 3/5 * 4/7 + 2/5 * 3/7

= 12/35 + 6/35 = 18/35.

If both agree stating the same fact, either both of them speak truth of both speak false.

Probability = 3/5 * 4/7 + 2/5 * 3/7

= 12/35 + 6/35 = 18/35.



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