Can someone please help me with this Stat HW question?

According to the 1995 Statistical Abstract of the United States, household size has a mean of 2.6 and a standard deviation of 1.5. What is the probability that your random sample of 225 households is within +/- 0.1 of the population mean?
tgjackso
Asked Feb 10, 2013
https://www.khanacademy.org/search?page_search_query=statistics
Rob
Answered Feb 10, 2013

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