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A recent survey by the American Automobile Association showed that a family of two adults and two children on vacation in the US will pay an average of $265 for food and lodging with a standard deviation of $72 per day. Assume that the data are normally distributed.
Find a z-score of $290 per day in vacation expenses.
Responses
-7.01
-0.35
0.35
7.01
Sagot :
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