d
\({\text{P}}\) કુલ \({\text{ = }}{{\text{p}}_{\text{A}}}^{\text{0}}{{\text{X}}_{\text{A}}}{\text{ + }}{{\text{p}}_{\text{B}}}^{\text{0}}{{\text{X}}_{\text{B}}} = \,\left( {80 \times \frac{3}{5}} \right) + \left( {60 \times \frac{2}{5}} \right) = 72\)