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 (mean) time for a uniformly distributed variable can be found by taking the sum of the minimum and maximum values and dividing by 2. Here, (1 + 6) / 2 = 7 / 2 = 3.5 minutes.

Suppose That the Time for E-Mail Confirmation of an Online