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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 the percentage of families that spent less than $290 per day.
Responses
36.32%
63.68%
35.69%
64.31%
Sagot :
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