Several years ago, 40% of parents who had children in grades k-12 were satisfied with the quality of education the students receive. a recent poll asked 1 comma 185 parents who have children in grades k-12 if they were satisfied with the quality of education the students receive. of the 1 comma 185 surveyed, 468 indicated that they were satisfied. construct a 95% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed.