nks E Hide blocks St You find that the correlation between health spending and age is 77%. Which of the following is not true? O a. E(health spending] age) is the expected value of health spending given the age of the person. O b. Health spending and age are related. O c. E(health spending] age) = E(health spending) O d. E(health spending] age, income, children) could be an even richer model