A real estate investor can buy a house for $\$ 70,000$. He estimates that he can sell it in a year for $\$ 70,000, \$ 72,000$, $\$ 75,000, \$ 80,000$, and $\$ 82,000$ with probabilities, respectively, of $0.15,0.20,0.35,0.18$, and 0.12 . If he buys the house, what is his expected gain in one year?

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The Answer of A real estate investor can buy a house for $\$ 70,000$. He estimates that he can sell it in a year for $\$ 70,000, \$ 72,000$, $\$ 75,000, \$ 80,000$, and $\$ 82,000$ with probabilities, respectively, of $0.15,0.20,0.35,0.18$, and 0.12 . If he buys the house, what is his expected gain in one year?

A Real Estate Investor Can Buy a House For $70,000\$ 70,000$70,000

A Real Estate Investor Can Buy a House For $\$ 70,000$