al years ago, 50% of parents who had children in grades K-12 were satisfied with the quality of education the students receive. A recent poll asked 1,035 parents who have children s K-12 if they were satisfied with the quality of education the students receive. Of the 1,035 surveyed, 462 indicated that they were satisfied. Construct a 90% confidence interval to s whether this represents evidence that parents' attitudes toward the quality of education have changed. are the null and alternative hypotheses? versus H1 : P integers or decimals rounded to two decimal places as needed.) echnology to find the 90% confidence interval. re 90% confident the proportion of parents who had children in grades K-12 that were satisfied with the quality of education the students receive is between and integers or decimals rounded to two decimal places as needed.) is the correct conclusion? Since the interval does not contain the proportion stated in the null hypothesis, there is insufficient evidence that parents' attitudes toward the quality of education have changed. Since the interval does not contain the proportion stated in the null hynnthesis there is sufficient evidence that parents' attitudes toward the quality of education have changed