When the salesperson makes a sale, there are three possible sales levels: large, medium, and small. The probability of a large sale is 0.20 and the chance of a medium sale is 0.60. Thus, when a sale is made, the chance of it being a small sale is 0.20.

Question

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The probability of a small sale is given as 0.20, which is the same as the probability of a large sale.

When the Salesperson Makes a Sale, There Are Three Possible