Mathematics, 16.10.2020 07:01 Bassoonist
A recent survey by the American Automobile Association showed that a family of two adults and two children on vacation in the United States will pay an average of $247 per day for food and lodging with a standard deviation of $60 per day. If the data are normally distributed, find the percentage of these families who spent:
Answers: 3
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You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?
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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?
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A recent survey by the American Automobile Association showed that a family of two adults and two ch...
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