It is estimated that 50% of people live in households with 1 or 2 people, 30% live in households with 3 or 4 people, and 9% live in households with 5 or more people. Using 1.5 for the expected number of people in households with 1 or 2 people, 3.5 for households with 3 or 4 people, and 6 for households with 5 or more people, find the expected number of people in a regular household. How is this related to the mean household size?

A) The expected number of people per household is about_______. (Round to one decimal place as needed.)

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