D) Vertices: (1, -1), (-11, -1); Foci: (-15, -1), (5, -1)
A. Box Plot because the box plot gives the 5 number summary
Can you reformat the question?
Answer:
(0.2278, 0.3322)
Step-by-step explanation:
Given that out of 400 people 112 agree and 288 disagree
Proportion of people agreeing = 

For confidence interval 90% we have critical value as
1.645
Margin of error =1.645*SE
=
Confidence interval 