Sample Size $= 2500$ , Sample Mean $= 223$ , Sample Standard Deviation

question 68

Multiple Choice

Sample size $= 2500$ , sample mean $= 223$ , sample standard deviation $= 96$
What is the $95 \%$ confidence interval for the population mean?

• A) \(222.9 < \mu < 223.1\)
• B) \(221.1 < \mu < 224.9\)
• C) \(219.2 < \mu < 226.8\)
• D) \(87.1 < \mu < 104.9\)

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