

MCQOPTIONS
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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. \(\rm \dfrac{xy}{(1-x)(1-y)}\) | |