A newspaper reporter asked an SRS of 100 residentsin a large city for their opinion about the mayorsjob performance. Using the results from the sample, the C% confidence interval for the proportion of allresidents in the city who approve of the mayors jobperformance is 0.565 to 0.695. What is the value of C?

CONFIDENCE INTERVALS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A newspaper reporter asked an SRS of 100 residentsin a large city for their opinion about the mayor’sjob performance. Using the results from the sample, the C% confidence interval for the proportion of allresidents in the city who approve of the mayor’s jobperformance is 0.565 to 0.695. What is the value of C?

A	82
B	86
C	90
D	95

Explanation:

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RESEARCH METHODOLOGY

STATISTICAL TECHNIQUES AND TOOLS

CONFIDENCE INTERVALS