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Lunch break In a recent survey of 618 working Americans ages 25 34 the average...

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Lunch break In a recent survey of 618 working Americans ages 25 34 the average weekly amount spent on lunch as 44 48 with standard deviation 3 09 The weekly amounts are approximately bell shaped Part 1 of 3 a Estimate the percentage of amounts that were less than 38 30 Round the answer to one decimal place Approximately 2 5 of the amounts were less than 38 30 Part 1 3 Part 2 of 3 b Estimate the percentage of amounts that were greater than 47 57 Round the answer to one decimal place Approximately 2 5 of the amounts were greater than 47 57

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