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QUESTION
An urban planner claims that nationally 20% of all families renting condominiums move during the year.
An urban planner claims that nationally 20% of all families renting condominiums move during the year. A random sample of 200 families renting condominiums in a large development revealed that 28% had moved during the past year. Construct a 90% confidence interval for the population percent of families who moved during the past year.
