GMAT and the REAL WORLD: CORONAVIRUS and GMAT Overlapping Sets Problem

Check out these overlapping sets I saw on Twitter: In Daegu, 1900 Shincheonji Church members have been tested for coronavirus. 1300 had symptoms & 600 did not. Among those 1300 with symptoms, 87.5% were confirmed with the virus. BUT out of the 600 WITHOUT symptoms, 70% were confirmed with (…)

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