Estimate the percentage of amounts

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In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $43.51 with standard deviation $2.75. The weekly amounts are approximately bell-shaped.

Estimate the percentage of amounts that are between $38.01 and $49.01__________?

Approximately 95% of the amounts fall between $38.01 and $49.01

Between what two values will approximately 68% of the amounts be?

Approximately 68% of the amounts fall between $______ and $________?

Reference no: EM132527739

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