Question

Several years​ ago, 39​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive. A recent poll asked 1 comma 195 parents who have children in grades​ K-12 if they were satisfied with the quality of education the students receive. Of the 1 comma 195 ​surveyed, 474 indicated that they were satisfied. Construct a 90​% 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? Upper H 0​: p equals not equals less than greater than equals nothing versus Upper H 1​: p not equals equals less than not equals greater than nothing ​(Round to two decimal places as​ needed.)

Answer 1