A research and development company survcycd all 200 of its employees over the age of 60 and obtained the information given in the table below.

One of these 200 employees is selected at random.

What is the that the person selected is on the technical staff?

If the person selected has over 20 years of service with the company, what is the probability that the person plans to retire at age 68?

If the person selected is on the technical staff, what is the probability that the person has been with the company less than 20 years?

What is the probability that the person selected has over 20 years with the company, is on the nontechnical staff, and plans to retire at age 65?

Consider the events A: {Plan to retire at age 681 and B: (On the technical staff]. Are events A and H independent? Explain.

Consider the event D: {Plan to retire at age 68 and on the technical staff]. Describe the complement of event D.

Consider the event E: {On the nontechnical staff]. Are events B and E mutually exclusive?

Explain.