The probability a patient has a disease is 0.35, the probability a patient tests positive for the disease is 0.45, and the probability a patient both has a disease and tests
positive for the disease is 0.15. What is the probability a patient has a disease or a
patient tests positive for the disease or both a patient has a disease and the patient
tests positive for the disease? Enter your answer as a decimal number with four digits
to the right of the decimal point in the box shown below.