Pharmaceutical company. A U.S. pharmaceutical company is considering manufacturing and marketing a pill that will help to lower both an individual’s blood pressure and cholesterol. The company is interested in understanding the demand for such a product. The joint probabilities that an adult American man has high blood pressure, high cholesterol, or both are shown in the table.

Blood Pressure Cholesterol High OK High 0.11 0.21 OK 0.16 0.52

a) What’s the probability that an adult American male has both conditions?

b) What’s the probability that an adult American male has high blood pressure?

c) What’s the probability that an adult American male with high blood pressure also has high cholesterol?

d) What’s the probability that an adult American male has high blood pressure if it’s known that he has high cholesterol?