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Home Q & A Board Science-Related Homework Help Mathematics
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cashtaylor cashtaylor
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9 years ago
A Wendy’s fast-food restaurant sells hamburgers and chicken sandwiches. On a typical weekday, the demand for hamburgers is normally distributed with a mean of 450 and standard deviation of 80 and the demand for chicken sandwiches is normally distributed with a mean of 120 and standard deviation of 30.

How many hamburgers must the restaurant stock to be 99% sure of not running out on a given day?

I have been trying to figure out how to solve this problem for like three hours. Help would be greatly appreciated.
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9 years ago
Try this...
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