Question

1. Across the states, 12.2% of all families (urban, rural, and suburban) send their children to private schools. A researcher believes that the percentage of suburban families who send their children to private schools is higher than the average for all families.

a) Formulate the hypotheses and rejection rule for this problem.

b) A nationwide sample of 1,000 suburban families showed that 162 send their children to private schools. Obtain the p-value.

c) At α = .05, would you conclude that the percentage of suburban families sending their children to private schools is higher than the percentage of all families? Explain.

Answer 1