1.Lunch break: In a recent survey of 655 working Americans ages 2534, the average weekly amount spent on lunch was $44.89 with a standard deviation of $2.73. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that are between $42.16 and $47.62. Approximately 68% of the amounts fall between $42.16 and $47.62.

(b) Estimate the percentage of amounts that are between $36.70 and $53.08.

(Choose one) of the amounts fall between $36.70 and $53.08.

68%

75%

95%

88.9%

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