The Following MINITAB Output Presents a Confidence Interval for a Proportion

question 1

Multiple Choice

The following MINITAB output presents a confidence interval for a proportion.
$\begin{array}{crrcc}\hline \text { Variable } & \mathrm{X} & \mathrm{N} & \text { Sample } \mathrm{p} & 95 \% \mathrm{CI} \\\mathrm{x} & 42 & 106 & 0.396226 & (0.303113,0.489339) \\\hline\end{array}$
Use the information in the display to construct a 98% confidence interval for p.

• A) \(( 0.286,0.507 )\)
• B) \(( 0.318,0.474 )\)
• C) \(( 0.303,0.489 )\)
• D) \(( 0.274,0.519 )\)

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