Standard Normal

Standard Normal. Personal Business Cards, Inc. supplies customized business cards to commercial and individual customers. Although paper, ink, and other costs cannot be determined precisely, Personal anticipates that costs will be normally distributed around a mean of $15 per unit (each 500-card order) with a standard deviation of $2 per unit.
A. What is the probability that Personal would make a profit at a price of $15 per unit?
B. Calculate the unit price necessary to give Personal a 95% chance of making a profit on the order.
C. If Personal submits a successful bid of $18.20 per unit, what is the probability that it will make a profit?

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