The new owner of a beauty shop is trying to decide whether to hire one, two, or three beauticians. She estimates that profit next year (in thousands of dollars) will vary with demand for her services and has estimated demand in three categories low, medium and high.

If she feels the chances of low, medium, and high demand are 50%, 20% and 30% respectively, what are the expected annual profits for the number of beauticians she will decide to hire?

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Number of Beauticians Demand High Low Medium One 100 50 75 100 Two 100 Three -100 300 70