A 99% Confidence Interval for the Population Mean μ Is

question 15

Multiple Choice

A 99% confidence interval for the population mean μ is found to be (84.76, 92.17) .If we were to use the same sample to construct a 95% confidence interval for this parameter, the 95% interval would be:

• A) wider than the 99% confidence interval.
• B) the same width as the 99% confidence interval.
• C) narrower than the 99% confidence interval.
• D) unrelated to the 99% confidence interval in terms of center and width.

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