Problems 7 and 8 pertain to the information in the following two-way contingency table, relating the result of a test for a disease and the health with respect to that disease of the person tested: diseased healthy Test positive 0.043 0.007 Test negative 0.016 0.914 Test inconclusive 0.001 0.019 7. The probability that a randomly selected person is healthy (free of the disease) is about (a) 0.940 (b) 0.050 (c) 0.914 (d) 0.933 (e) 0.007