A Sample of Size N = 16 Is Drawn from an Approximately

question 43

Multiple Choice

A sample of size n = 16 is drawn from an approximately normal population whose standard deviation is $\sigma = 10.5$ The sample mean is $\bar { x } = 51.0$ Construct a 99% confidence interval for $\boldsymbol { \mu }$

• A) (48.91, 53.09)
• B) (38.28, 63.72)
• C) 44.24, 57.76
• D) (51.00, 57.76)

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