The administrator of a local hospital has told the governing board that 30% of its emergency room patients are not really in need of emergency treatment. In checking a random sample of 400 emergency room patients, a board member finds that 35% of those treated were not true emergency cases. Using an appropriate hypothesis test and the 0.05 level, evaluate the administrator's statement.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The administrator of a local hospital has told the governing board that 30% of its
emergency room patients are not really in need of emergency treatment. In checking
a random sample of 400 emergency room patients, a board member finds that 35%
of those treated were not true emergency cases. Using an appropriate hypothesis test
and the 0.05 level, evaluate the administrator's statement.
Transcribed Image Text:The administrator of a local hospital has told the governing board that 30% of its emergency room patients are not really in need of emergency treatment. In checking a random sample of 400 emergency room patients, a board member finds that 35% of those treated were not true emergency cases. Using an appropriate hypothesis test and the 0.05 level, evaluate the administrator's statement.
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