The following confidence interval is obtained for a population proportion, p: 0.855

Name: The following confidence interval is obtained for a population proportion, p: 0.855 < p < 0.897 Use these confidence interval limits to find the margin of error, E. A)0.021 B)0.876 C)0.022 D)0.042
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Question

The following confidence interval is obtained for a population proportion, p: 0.855 < p < 0.897 Use these confidence interval limits to find the margin of error, E.
A)0.021
B)0.876
C)0.022
D)0.042

Quizplus · Accepted Answer

The margin of error (E) is calculated as half the width of the confidence interval. The width of the interval is 0.897 - 0.855 = 0.042. Therefore, E = 0.042 / 2 = 0.021.

The Following Confidence Interval Is Obtained for a Population Proportion