The Manager of a Fast-Food Restaurant Determines That the Average $\quad 1.6321$

Multiple Choice

The manager of a fast-food restaurant determines that the average time that her customers wait for service is 2 minutes. Find the probability that a customer is served within the first 2 minutes. Select the correct answer.

A) $\quad 1.6321$
B) $\quad 0.6321$
C) $4.6321$
D) $\quad 3.6321$
E) $2.6321$