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GMAT Prep
For what percent of those tested for a certain infection was the test accurate; that is, positive for those who had the infection and negative for those who did not have the infection?
1) Of those who tested positive for the infection, 1/8 did not have the infection
2) Of those tested for the infection, 90 percent tested negative
OA E
For what percent of those tested for a certain infection was the test accurate; that is, positive for those who had the infection and negative for those who did not have the infection?
1) Of those who tested positive for the infection, 1/8 did not have the infection
2) Of those tested for the infection, 90 percent tested negative
OA E
