A common blood test performed on pregnant women to screen for chromosome abnormalities in the fetus measures the human chorionic gonadotropin (hCG) hormone.Suppose that in a given population, 6% of fetuses have a chromosome abnormality.The test correctly produces a positive result for a fetus with a chromosome abnormality 88% of the time and correctly produces a negative result for a normal fetus 81% of the time.What proportion of women who get a positive test result are actually carrying a fetus with a chromosome abnormality?