6.71 Restaurant Sales The daily sales total (excepting Saturday) at a small restaurant has a prob- ability
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6.71 Restaurant Sales The daily sales total (excepting Saturday) at a small restaurant has a prob- ability distribution that is approximately normal, with a mean equal to $1230 per day and a standard devia- tion or equal to $120.
a. What is the probability that the sales will exceed $1400 for a given day?
b. The restaurant must have at least $1000 in sales per day to break even. What is the probability that on a given day the restaurant will not break even?
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Related Book For
Introduction To Probability And Statistics
ISBN: 9780176509804
3rd Edition
Authors: William Mendenhall
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