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A single which can be green or red with ...

A single which can be green or red with probability `(2)/(3)` and `(1)/(5)` respectively, is received by station A and then transmitted to station B. The probability of each station receiving the signal correctly is `(3)/(4)`. If the signal received at station B is green, then the probability that the original signal was green is

A

`(3)/(5)`

B

`(6)/(7)`

C

`(20)/(23)`

D

`(9)/(20)`

Text Solution

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The correct Answer is:
C
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