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49% of parents who had children in grades​ K-12 were satisfied with the quality of education the students

receive. A recent poll asked 1,085 parents who have children in grades​ K-12 if they were satisfied with the quality of education the students receive. Of the 1,085 ​surveyed, 4658 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.

What are the null and alternative​ hypotheses? What is the lower bound? what is the upper bound?

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