Hey, I need help solving this problem. 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.
clearly, 0.43 lies between... View the full answer
- What are the null and alternative hypotheses?
- Aug 08, 2018 at 11:17am
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The 90% confidence interval... View the full answer
- Please consider the hypothesises proportion p = 0.43 lies in the confidence interval, therefore we conclude that parents attitude towards quality education not changed.
- Aug 08, 2018 at 11:46am
- So how do I determine the null and alternative hypotheses?
- Aug 08, 2018 at 11:47am
- The null hypothesis is "Parents satisfied with the quality education" and the Alternative hypothesis is "Parents do not satisfied with the quality education".
- Aug 08, 2018 at 11:58am