Textbook ExpertVerified Tutor
2 Dec 2021
Given information
Suppose that the length of long-distance phone calls, measured in minutes, is known to have an exponential distribution with the average length of a call equal to eight minutes.
Step-by-step explanation
Step 1.
The mean can be calculated by using the information given in the problem, according to this the mean is as follows:
.
Unlock all Textbook Solutions
Already have an account? Log in