What Is a 95 Percent Confidence Interval for ? When $\bar { X }$

question 122

Multiple Choice

What is a 95 percent confidence interval for ? when n = 10, $\bar { X }$
= 35.6,and s = 13.0? Assume population normality.

• A) \([ 26.44\)\( \quad\)\( \quad\)\(44.76 ]\)
• B) \(\left[ \begin{array} { l l }
• 26.30 & 44.90
• \end{array} \right]\)
• C) \(\left[ \begin{array} { l l l }
• 33.02 & 38.18
• \end{array} \right]\)
• D) \(\left[ \begin{array} { l l }
• 27.54 & 43.66
• \end{array} \right]\)

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