Question: Construct a 95% confidence interval estimate for the population mean given the following values: x-bar =200, sigma=50, n=400 Question 21 options: (197.5, 202.5) (293.18, 306.82)

Construct a 95% confidence interval estimate for the population mean given the following values:

x-bar =200, sigma=50, n=400

Question 21 options:

(197.5, 202.5)

(293.18, 306.82)

(191.1, 204.9)

(295.54, 304.56)

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