Several years ago, 39% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1,205

parents who have children in grades K-12 if they were satisfied with the quality of education the students receive. Of the 1,205 surveyed, 477 indicated that they were satisfied. Construct a 90%

confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed.