A commodities speculator feels that the probabilities are 0.35, 0.30, 0.25, and 0.10 that the price of wheat per bushel will increase by 0.50, 0.40,...

A commodities speculator feels that the probabilities are 0.35, 0.30, 0.25, and 0.10 that the price of wheat per bushel will increase by 0.50, 0.40, 0.10, or not at all during a specified period of time. By how much does the speculator expect that the price of wheat will increase, in cents per bushel?