Question

Mac’s fast-food restaurant finds that its daily profits have a normal distribution with mean $140 and standard deviation $80.
a. Find the probability that the restaurant loses money on a given day (that is, daily profit less than 0).
b. Find the probability that the restaurant makes money for the next seven days in a row. What assumptions must you make for this calculation to be valid?


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  • CreatedSeptember 11, 2015
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