In a large metropolitan area, past records revealed that 30 percent of all the high school graduates go to college. From 10 graduates selected at random, calculate the probability that none will go to college.
A) 0.028%
B) 82%
C) 28%
D) 8.2%
E) 2.8%

Question

Quizplus · Accepted Answer

The probability of a high school graduate going to college is 0.3. The probability of a high school graduate not going to college is 1 - 0.3 = 0.7. The probability that none of the 10 graduates will go to college is (0.7)^10 = 0.028%.

In a Large Metropolitan Area, Past Records Revealed That 30