Use the appropriate probability model (Uniform).
-Suppose that the time for e-mail confirmation of an online purchase is uniformly
Distributed between 1 and 6 minutes. What is the average time for an e-mail
Confirmation?
A) 3 minutes
B) 4 / minutes
C) 2.5 minutes
D) 4.5 minutes
E) 3.5 minutes

Question

Quizplus · Accepted Answer

The average time for a uniformly distributed random variable is the midpoint of the interval. The interval is from 1 to 6, so the average is (1+6)/2 = 3.5 minutes.

Use the Appropriate Probability Model (Uniform)