Solve the problem.
-The following confidence interval is obtained for a population proportion, p: 0.724

Name: Solve the problem. -The following confidence interval is obtained for a population proportion, p: 0.724 < p < 0.752. Use these confidence interval limits to find the margin of error, E. A) 0.028 B) 0.738 C) 0.014 D) 0.015
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Question

Solve the problem.
-The following confidence interval is obtained for a population proportion, p: 0.724 < p < 0.752. Use these confidence interval limits to find the margin of error, E.
A) 0.028
B) 0.738
C) 0.014
D) 0.015

Quizplus · Accepted Answer

The margin of error (E) is half of the width of the confidence interval. 
So, E = (0.752 - 0.724) / 2 = 0.014. Therefore, the best choice is C.

Solve the Problem. -The Following Confidence Interval Is Obtained for a Population Proportion