Suppose that 14% of students at one college have high blood pressure.If you keep picking students at random from this college,how many students do you expect to test before finding one with high blood pressure?
A)14
B)0.14
C)1.16
D)0.86
E)7.14

Question

Quizplus · Accepted Answer

The expected number of trials to get the first success in a geometric distribution is the reciprocal of the probability of success. Here, the probability of finding a student with high blood pressure is 0.14, so the expected number of students to test is 1/0.14 = 7.14.

Suppose That 14% of Students at One College Have High