A random sample of 539 households from a certain
Chapter 7, Problem 7.21(choose chapter or problem)
A random sample of 539 households from a certain midwestern city was selected, and it was determined that 133 of these households owned at least one firearm (The Social Determinants of Gun Ownership: Self-Protection in an Urban Environment, Criminology, 1997: 629640). Using a 95% confidence level, calculate a lower confidence bound for the proportion of all households in this city that own at least one firearm.
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