3. An HIV test is not entirely accurate. The test developer claims the test produces less than 5% false positives and less than 1% false negatives. In order to investigate the developer's claim, the test was administered to1000 individuals known to have HIV and 10,000 individuals known not to have HIV. The results are below. Truly has HIV Truly does not Test Result have HIV Positive 993 591 Negative 7 9409

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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(b) Is there sufficient evidence to conclude, at the 5% level of significance, 
that the false positive rate is less than 5%? Explain. 

3. An HIV test is not entirely accurate. The test developer claims the test produces
less than 5% false positives and less than 1% false negatives. In order to
investigate the developer's claim, the test was administered to1000 individuals
known to have HIV and 10,000 individuals known not to have HIV. The results are
below.
Truly has HIV
Truly does not
Test Result
have HIV
Positive
993
591
Negative
7
9409
Transcribed Image Text:3. An HIV test is not entirely accurate. The test developer claims the test produces less than 5% false positives and less than 1% false negatives. In order to investigate the developer's claim, the test was administered to1000 individuals known to have HIV and 10,000 individuals known not to have HIV. The results are below. Truly has HIV Truly does not Test Result have HIV Positive 993 591 Negative 7 9409
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