Width of a confidence interval

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Reference no: EM1316687

The width of a confidence interval will be:

A. Narrower for 99% confidence than 95% confidence

B. Wider for a sample size of 100 than for a sample size of 50

C. Narrower for 90% confidence than 95% confidence

D. Wider when the sample standard deviation (s) is small than when s is large

Reference no: EM1316687

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