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.

Question

Quizplus · Accepted Answer

Even though 90% of economists are math oriented, they only make up 1/1000 of the population. On the other hand, 5% of the population is math oriented, meaning that the vast majority of math-oriented people are not economists. Therefore, it is more likely that the randomly chosen math-oriented person is not an economist rather than an economist.

One Person Out of Every 1000 Is an Economist and 90