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The average spending at Neco's salad bar is $9.14 with a standard deviation of $2.96. The distribution follows Normal distribution. The management is interested in the middle 80% of the customers (spending wise) as it believes that they represent the customer base. What will be the difference between the upper and lower spending cut-offs which define the middle 80% of the customers?

The average spending at Neco's salad bar is $9.14 with a standard deviation of $2.96. The distribution follows Normal distribution. The management is interested in the middle 80% of the customers (spending wise) as it believes that they represent the customer base. What will be the difference between the upper and lower spending cut-offs which define the middle 80% of the customers?

MATLAB: An Introduction with Applications
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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The average spending at Neco's salad bar is $9.14 with a standard deviation of $2.96. The distribution follows Normal distribution. The management is interested in the middle 80% of the customers (spending wise) as it believes that they represent the customer base. What will be the difference between the upper and lower spending cut-offs which define the middle 80% of the customers?
Transcribed Image Text:The average spending at Neco's salad bar is $9.14 with a standard deviation of $2.96. The distribution follows Normal distribution. The management is interested in the middle 80% of the customers (spending wise) as it believes that they represent the customer base. What will be the difference between the upper and lower spending cut-offs which define the middle 80% of the customers?
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