Exhibit 5-3
Roth is a computer-consulting firm. The number of new clients that they have obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below.
-Refer to Exhibit 5-3. The expected number of new clients per month is
A)6
B)0
C)3.05
D)21

Question

Exhibit 5-3
Roth is a computer-consulting firm. The number of new clients that they have obtained each month has ranged from 0 to 6. The number of new clients has the probability distribution that is shown below. 
-Refer to Exhibit 5-3. The expected number of new clients per month is
A)6 
B)0 
C)3.05 
D)21

Quizplus · Accepted Answer

To find the expected value, we multiply each outcome by its probability and sum the products. Thus,

Expected value = (0)(0.15) + (1)(0.25) + (2)(0.2) + (3)(0.2) + (4)(0.1) + (5)(0.05) + (6)(0.05) = 3.05

Therefore, the expected number of new clients per month is 3.05.

Exhibit 5-3 Roth Is a Computer-Consulting Firm. the Number of New Clients