Two projects: Low$-$volatility probability $=0\mathrm{.}5$ High$-$volatility probability $=0\mathrm{.}5($Low$-$vol$)$ When weak economy$=500$$$,$ strong $=1000$$ $($High$-$vol$)$ when weak economy $=700$$$,$ strong $=1900$$ Find expected value$(?)$ Which one is more maximizing the firm's value $($ dunno the exact word$)$ Pleae help :(