The U.S. Census suggests that the number of people living in a randomly chosen...

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...household can be represented by? the following probability distribution. Number in household 1,2,3,4,5,6,7,8 Probability .25,.30,.15,.16,0.08,0.03,0.02, and 0.01 both in same order. What is the expected number of people living in a household?
 
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