Mathematics - Probability Question with Solution | TestHub

A signal which can be green or red with probability $\left(\frac{4}{5}\right)$ and $\left(\frac{1}{5}\right)$ respectively is received by the station A and Transmitted to B. The probability each station receive signal correctly $=\left(\frac{3}{4}\right)$. If signal in received in B is green. The probability original signal was green.