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Several years ago, 53% of parents with children in grades K-12 were satisfied with the quality of education the students receive. A recent poll found

Several years ago, 53% of parents with children in grades K-12 were satisfied with the quality of education the students receive. A recent poll found that 493 of 1,045 parents with children in grades K-12 were satisfied with the quality of education the students receive. Construct a 95% confidence interval to assess whether this represents evidence that parents' attitudes toward the quality of education have changed.

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