Answer Happy

b7 A random sample of 2100 death certificates of adults were examined in a large metropolitan area and showed the following results: Cause of Death Heavy Smoker Moderate Smoker Nonsmoker Respiratory Disease 215 72 800 Heart Disease 120 50 813 Test the hypothesis that the cause of death is independent of a person's smoking habit. a) Rigorously formulate hypotheses testing. b) Form an expanded contingency table c) Calculate d) Find the P-value and make your judgment based on the P-value. Explain your steps. Hint. Use the following formula q=n2 -1). (45 pts) R آلمان 1) + + + + N. ma