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For a given sample size and population standard deviation, which of the following is true when...

For a given sample size and population standard deviation, which of the following is true when calculating a confidence interval for the population mean? Group of answer choices

a. If the confidence level is greater, the interval will be narrower

b.If the confidence level is greater, the interval will be wider.

c.If the confidence level is greater, the interval width will be unaffected.

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Answer #1

b.If the confidence level is greater, the interval will be wider.'

THis is the correct answer

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