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Estimate the percentage of amounts that are between $39.70 and $51.98.

Estimate the percentage of amounts that are between $39.70 and $51.98.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.6: Percents Problems
Problem 9ST
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Lunch break: In a recent survey of 655 working Americans ages 25 - 34, the average weekly amount spent on lunch was $45.84 with standard deviation $3.07. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that are between $39.70 and $51.98.
(b) Estimate the percentage of amounts that are between $39.70 and $51.98. (Choose one) of the amounts fall between $39.70 and $51.98.
Transcribed Image Text:(b) Estimate the percentage of amounts that are between $39.70 and $51.98. (Choose one) of the amounts fall between $39.70 and $51.98.
Part: 1/3 Approximately 68% Approximately 75% Approximately 95% Approximately 88.9% Almost all (Choose one)
Transcribed Image Text:Part: 1/3 Approximately 68% Approximately 75% Approximately 95% Approximately 88.9% Almost all (Choose one)
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