A group of 50,000 tax forms has an average gross income of $37,000, with an SD of about $20,000. Furthermore, 20% of the forms have a gross income over $50,000. A group of 900 forms is chosen at random for audit. What is the chance that between 19% and 21% of the forms chosen for audit have gross income over $50,000? (Show the box model and the result of your work.) Answer: _%

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A group of 50,000 tax forms has an average gross income of $37,000, with an SD
of about $20,000. Furthermore, 20% of the forms have a gross income over
$50,000. A group of 900 forms is chosen at random for audit. What is the chance
that between 19% and 21% of the forms chosen for audit have gross income over
$50,000? (Show the box model and the result of your work.)
Answer:
%
Transcribed Image Text:A group of 50,000 tax forms has an average gross income of $37,000, with an SD of about $20,000. Furthermore, 20% of the forms have a gross income over $50,000. A group of 900 forms is chosen at random for audit. What is the chance that between 19% and 21% of the forms chosen for audit have gross income over $50,000? (Show the box model and the result of your work.) Answer: %
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