Probability

ধরি \({E_1}\) এবং \({E_2}\) দুটি ঘটনার জন্য \(P\left( {{E_1}\left| {{E_2}} \right.} \right) = {1 \over 2},\,P\left( {{E_2}\left| {{E_1}} \right.} \right) = {3 \over 4}\) এবং \(P\left( {{E_1} \cap {E_2}} \right) = {1 \over 8}\) হয়, তবে :