For unemployed persons in the United States, the average number of months of unemployment at the end of December 2009 was approximately seven months (Bureau of Labor Statistics, January 2010). Suppose the following data are for a particular region in upstate New York. The values in the first column show the number of months unemployed and the values in the second column show the corresponding number of unemployed persons.
Months Unemployed |
Number Unemployed |
1 | 1029 |
2 | 1686 |
3 | 2269 |
4 | 2675 |
5 | 3487 |
6 | 4652 |
7 | 4145 |
8 | 3587 |
9 | 2325 |
10 | 1120 |
Let x be a random variable indicating the number of months a person is unemployed.
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