For Exercises 13–18, refer to the indicated data to answer (a)–(d).
We are interested in constructing a 95% confidence interval for . Is it appropriate to do so? Why or why not? If not appropriate, then do not perform (b)–(d).
Provide the point estimate of the difference in population proportions .
Calculate the margin of error for a confidence level of 95%. What does this number mean?
Construct and interpret a 95% confidence interval for .