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The price of a company stock either increases or decreases every day. Let event S=1 denote an increase and S=0 denote a decrease. A stock
The price of a company stock either increases or decreases every day. Let event S=1 denote an increase and S=0 denote a decrease. A stock market analyst uses a computer program that predicts either an increase or a decrease in this stock every day. Let event P=1 denote a predicted increase and event P=0 denote a predicted decrease. Assume S and P have the following joint PMF: