Lunch break: In a recent survey of 660 working Americans ages 25-34, the average weekly amount spent on lunch as $43.79 with standard deviation $3.08. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that were between $43.79 and $46.87. Round the answer to one decimal place
Lunch break: In a recent survey of 660 working Americans ages 25-34, the average weekly amount spent on lunch as $43.79 with standard deviation $3.08. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that were between $43.79 and $46.87. Round the answer to one decimal place
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Lunch break: In a recent survey of 660 working Americans ages 25-34, the average weekly amount spent on lunch as $43.79
with standard deviation $3.08. The weekly amounts are approximately bell-shaped. Estimate the percentage of amounts that were between $43.79 and $46.87. Round the answer to one decimal place.

Transcribed Image Text:Lunch break: In a recent survey of 660 working Americans ages 25-34, the average weekly amount spent on lunch as $43.79
with standard deviation $3.08. The weekly amounts are approximately bell-shaped.
Part 1 of 3
(a) Estimate the percentage of amounts that were less than $40.71. Round the answer to one decimal place.
Approximately 16 % of the amounts were less than $40.71.
Part 2 of 3
(b) Estimate the percentage of amounts that were greater than $49.95. Round the answer to one decimal place.
Approximately 2.3 % of the amounts were greater than $49.95.
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Transcribed Image Text:Part 2 of 3
(b) Estimate the percentage of amounts that were greater than $49.95. Round the answer to one decimal place.
Approximately 2.3 % of the amounts were greater than $49.95.
Part: 2 /3
Part 3 of 3
(c) Estimate the percentage of amounts that were between $43.79 and $46.87. Round the answer to one decimal place.
Approximately
% of the amounts fall between $43.79 and $46.87.
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