1. Several years​ ago, 48 ​% of parents who had children in grades​ K-12 were satisfied with the qual

Several years​ ago, 48 ​% of parents who had children in grades​ K-12 were satisfied with the quality of education the students receive. A recent poll asked parents who have children in grades​ K-12 if they were satisfied with the quality of education the students receive. Of the ​surveyed, 498 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?
:

p

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0.48

versus

:

p

0.48

(Type integers or decimals rounded to two decimal places as needed.)

Use technology to find the

%

confidence interval.

We are

%

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

0.45

and

0.52.
(Type integers or decimals rounded to two decimal places as needed.)
What is the correct conclusion?