Textbook ExpertVerified Tutor
13 Nov 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.
It is known from the problem that,
, .
The Probability density function of the exponential distribution is given by,
The maximum value of will lie on axis, where
The graph is as follows:
Unlock all Textbook Solutions
Already have an account? Log in