Quality of education have changed

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Several years? ago, 43?% of parents who had children in grades? K-12 were satisfied with the quality of education the students receive. A recent poll asked 1,155 parents who have children in grades? K-12 if they were satisfied with the quality of education the students receive. Of the 1,155 ?surveyed, 495 indicated that they were satisfied. How do I construct a 90?% confidence interval to assess whether this represents evidence that? parents' attitudes toward the quality of education have changed.

Reference no: EM132083281

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