The following confidence interval is obtained for a population proportio $p : 0.679

Name: The following confidence interval is obtained for a population proportio $p : 0.679 < p < 0.715 \text {. Use }$ these confidence interval limits to find the margin of error, E. A) 0.018 B) 0.019 C) 0.697 D) 0.036
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Question

The following confidence interval is obtained for a population proportio $p : 0.679 < p < 0.715 \text {. Use }$ these confidence interval limits to find the margin of error, E.
A) 0.018
B) 0.019
C) 0.697
D) 0.036

Quizplus · Accepted Answer

The margin of error is half the width of the confidence interval. The width of the confidence interval is 0.715 - 0.679 = 0.036. Therefore, the margin of error is 0.036 / 2 = 0.018.

The Following Confidence Interval Is Obtained for a Population Proportio p:0.679<p<0.715. Use p : 0.679 < p < 0.715 \text {. Use }p:0.679<p<0.715. Use

The Following Confidence Interval Is Obtained for a Population Proportio $p : 0.679 < p < 0.715 \text {. Use }$