Question: The unemployment rate in the state of Arizona is 4 1

The unemployment rate in the state of Arizona is 4.1% (CNN Money website, May 2, 2007). Assume that 100 employable people in Arizona are selected randomly.
a. What is the expected number of people who are unemployed?
b. What are the variance and standard deviation of the number of people who are unemployed?


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  • CreatedFebruary 16, 2015
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