Suppose that the waiting time for a license plate renewal at a local office of a state motor vehicle department has been found to be normally distributed with a mean of 30 minutes and a standard deviation of 8 minutes. What is the probability that a randomly selected individual will have a waiting time of at least 10 minutes?
A) .9938
B) .8944
C) .1056
D) .0062

Question

Quizplus · Accepted Answer

P(x ≥ 10) = p= p(z ≥ −2.5) = 1.0 − .0062 = .9938

Suppose That the Waiting Time for a License Plate Renewal