We Have Calculated a Confidence Interval Based on a Sample

question 96

Multiple Choice

We have calculated a confidence interval based on a sample of size n = 100. After looking over our work, we realized that the sample size was actually 400. How will the corrected interval compare to the original interval?

• A) The corrected interval will be the same width.
• B) The corrected interval will be one-fourth as wide.
• C) The corrected interval will be four times as wide.
• D) The corrected interval will be one-half as wide.
• E) The corrected interval will be twice as wide.

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