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A tourist agency in Hawaii claims that the mean cost of meals and lodging for a family of 4 traveling to Hawaii is at most
A tourist agency in Hawaii claims that the mean cost of meals and lodging for a family of 4 traveling to Hawaii is at most $690. You want to test this claim. In a random sample of 55 families of 4 travelling to Hawaii, the mean daily cost of meals and lodging is $702 with a standard deviation of $53. At an = 0.10, do have evidence to reject the agency's claim?
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