Several years ago,41% of parents who had children in grades? K-12 were satisfied with the quality of education the students receive. A recent poll asked1,145 parents who have children in grades? K-12 if they were satisfied with the quality of education the students receive. Of the1,145 ?surveyed,476 indicated that they were satisfied. Construct a99?% confidence interval to assess whether this represents evidence that? parents’ attitudes toward the quality of education have changed.What are the null and alternative? hypotheses?
