Estimate the percentage of amounts that are between $39.70 and $51.98.
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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Question
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.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b555133-9c24-4758-976e-e91129cf13d1%2F83d7902d-ac3d-4cda-b9b6-d178d7fe4efc%2Fwbw4xgr_processed.jpeg&w=3840&q=75)
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)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3b555133-9c24-4758-976e-e91129cf13d1%2F83d7902d-ac3d-4cda-b9b6-d178d7fe4efc%2F0q7e0nf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Part: 1/3
Approximately 68%
Approximately 75%
Approximately 95%
Approximately 88.9%
Almost all
(Choose one)
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