One Person Out of Every 1000 Is an Economist and 90

Multiple Choice

One person out of every 1000 is an economist and 90% of them are math oriented.If only 5 % of the population is math oriented and you pick a person at random who happens to be math oriented, it is

A) Likely that the person chosen is an economist rather than an non-economist
B) Likely that the person chosen is not an economist rather than an economist
C) Almost certain the person will be an economist
D) Almost impossible the person will be an economist