If 15 women out of a group of 45 women truly test positive for a condition, 5 falsely test positive, 5 falsely test negative, and the remaining 20 truly test negative, what is the positive predictive value?

Question

Quizplus · Accepted Answer

The positive predictive value (PPV) is calculated as the number of true positives divided by the total number of positive test results (true positives + false positives). Here, PPV = 15 / (15 + 5) = 15/20 = 75%. However, the correct choice should have been B, but the given options do not match the correct calculation.

If 15 Women Out of a Group of 45 Women