Exhibit 5-12.According to a Department of Labor report,the city of Detroit had a 20% unemployment rate in May of 2011 (Bureau of Labor Statistics,May,2011).Eight working-age residents were chosen at random. Refer to Exhibit 5-12.What was the expected number of unemployed residents,when eight working-age residents were randomly selected?
A)1.0
B)1.6
C)2.0
D)6.4

Question

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The Answer of Exhibit 5-12.According to a Department of Labor report,the city of Detroit had a 20% unemployment rate in May of 2011 (Bureau of Labor Statistics,May,2011).Eight working-age residents were chosen at random. Refer to Exhibit 5-12.What was the expected number of unemployed residents,when eight working-age residents were randomly selected?
A)1.0
B)1.6
C)2.0
D)6.4