The Learned Book Company has a choice of publishing one of two books on the subject of Greek mythology. It expects the sales period for each to be extremely short, and it estimates profit probabilities as follows:

Calculate the expected profit, standard deviation, and coefficient of variation for each book. If you were asked which of the two to publish, what would he your advice?

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Book A Book B Probability Profit 0.2 0.3 0.3 0.2 $2,000 2,300 2,600 2,900 Probability 0.1 0.4 0.4 0.1 Profit $1,500 1,700 1,900 2,100