Question

An office manager receives reports from employees via email. The probability model describes the number of emails the manager may receive in a day.

Email Received	0	1	2	3	4	5
P(X)	0.05	0.15	0.35	0.25	0.15	0.05

How many emails would you expect the manager to receive each day? (4 points)

	3.9
	3.65
	3.25
	2.9
	2.45

Answer 1

Solution:

The expected value for a discrete random variable X is given as follows:

Hence, I would expect the manager to receive 2.45 emails each day.

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