Question: 56% of all American workers have a workplace retirement plan, 68% have health insurance, and 49% have both benefits. We select a worker at random.

a) What's the probability he has neither employer sponsored health insurance nor a retirement plan?
b) What's the probability he has health insurance if he has retirement plan?
c) Are having health insurance and a retirement plan independent events? Explain.
d) Are having these 2 benefits mutually disjoint? Explain
e) What is the probability that he has a retirement plan if he has health insurance?