Question

According to Current Population Reports, self-employed individuals in the United States work an average of 44.6 hours per week, with a standard deviation of 14.5. If this variable is approximately normally distributed, find the proportion of the self-employed who work more than 40 hours per week. Sketch a graph, and mark off on it 44.6, 40, and the region to which the answer refers.


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  • CreatedSeptember 11, 2015
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