A Researcher Administers a Survey on Issues Related to the U.S.s

Multiple Choice

A researcher administers a survey on issues related to the U.S.s health care system to a sample consisting of 60 percent medical doctors, 30 percent economists, and 10 percent lawyers. One of those people surveyed was William, who is 50 years old, wears a shirt and tie, and is good with numbers. William is concerned that the expense of our current health care system will ultimately cause it to collapse. Which statement MOST likely describes William's occupation?

A) William is probably a doctor.
B) William is probably a lawyer.
C) William is probably an economist.
D) It is equally likely that William is a doctor or an economist, but unlikely that he is a lawyer.