1.

A and B are independent witnesses in a case, the chance that A speaks truth is x and B speaks truth is y, If A and B agree on certain statements, the probability that the statement is true is

A. \(\rm \dfrac{xy}{xy+(1-x)(1-y)}\)
B. \(\rm \dfrac{xy}{(1-x)(1-y)}\)
C. \(\rm \dfrac{(1-x)(1-y)}{xy+(1-x)(1-y)}\)
D. \(\rm \dfrac{x+y}{xy+(1-x)(1-y)}\)
Answer» B. \(\rm \dfrac{xy}{(1-x)(1-y)}\)


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