7. In Exton School, 76% of the girls like music, and 17% of the girls like music and dance. What percent of those that like music also like dance? 8. A test for a disease gives a correct positive result with a probability of 0.92 when the disease is present, but gives an incorrect positive result (false positive) with a probability of 0.13when the disease is not present. If 8% of the population has the disease, and Jean tests positive to the test, what is the probability Jean really has the disease?