Question: A 95% confidence interval estimate for the difference between two population means, 12000, is determined to be (62.75, 68.52.) If the confidence level is

A 95% confidence interval estimate for the difference between two population means,

A 95% confidence interval estimate for the difference between two population means, 12000, is determined to be (62.75, 68.52.) If the confidence level is reduced to 90%, the confidence interval A) insufficient information B becomes narrower C) becomes wider D remains the same

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