Mathematics, 03.02.2021 01:00 jade5801

Lunch break: In a recent survey of 655 working Americans ages 25-34, the average weekly amount spent on lunch was $46.08 with standard deviation $2,68. The weekly amounts are approximately bell-shaped,
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(a) Estimate the percentage of amounts that are between $38.04 and $54.12.

of the amounts fall between $38.04 and $54.12.

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