Lunch break: In a recent survey of 607 working Americans ages 25-34, the average weekly amount spent on lunch as $42.92 with standard deviation $2.83. The weekly amounts are approximately bell-shaped. Part: 0/3 Part 1 of 3 (a) Estimate the percentage of amounts that were less than $40.09. Round the answer to one decimal place. Approximately 15.9% of the amounts were less than $40.09. Part: 1/3 Part 2 of 3 X (b) Estimate the percentage of amounts that were greater than $48.58. Round the answer to one decimal place. $48.58

MATLAB: An Introduction with Applications
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Lunch break: In a recent survey of 607 working Americans ages 25-34, the average weekly amount spent on lunch as $42.92 with standard deviation $2.83.
The weekly amounts are approximately bell-shaped.
Part: 0/3
Part 1 of 3
(a) Estimate the percentage of amounts that were less than $40.09. Round the answer to one decimal place.
Approximately 15.9% of the amounts were less than $40.09.
Part: 1/3
Part 2 of 3
Ś
(b) Estimate the percentage of amounts that were greater than $48.58. Round the answer to one decimal place.
Approximately % of the amounts were greater than $48.58.
Ś
Transcribed Image Text:Lunch break: In a recent survey of 607 working Americans ages 25-34, the average weekly amount spent on lunch as $42.92 with standard deviation $2.83. The weekly amounts are approximately bell-shaped. Part: 0/3 Part 1 of 3 (a) Estimate the percentage of amounts that were less than $40.09. Round the answer to one decimal place. Approximately 15.9% of the amounts were less than $40.09. Part: 1/3 Part 2 of 3 Ś (b) Estimate the percentage of amounts that were greater than $48.58. Round the answer to one decimal place. Approximately % of the amounts were greater than $48.58. Ś
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given data 

μ = 42.92σ = 2.83normal distribution.

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