The life expectancy of a lung cancer patient treated with a new drug is normally distributed with a mean of 4 years and a standard deviation of 10 months.
A. What is the probability that a randomly selected lung cancer patient will last more than 5 years? _____
B. What percentage of lung cancer patients will last between 5 and 6 years? ____
C. What percentage of lung cancer patients will last less than 4 years? _____
D. What percentage of lung cancer patients will last between 2.5 and 4.5 years? _
E. If the drug manufacturer guarantees the drug will be effective for a minimum of 3 years (and will pay for the entire treatment program if the patient does not survive), what percentage of lung cancer patients will have to pay for the treatment? _____
Select from the answers below. Place the correct letter in the blanks above.
A. 10.69% B. 11.51% C. .0796 D. 46.01% E. 88.49%
F. 68.9% G. 53.98% H. 0% I. 50% J. 0.06172