QuestionQuestion 6, 9.1.15 HW Score: $55.56 \%, 5$ of 9 points .1
Construct a $90 \%$ confidence interval of the population proportion using the given information. $$x=125, n=250$$
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The lower bound is $\square$ The upper bound is $\square$ (Round to three decimal places as needed. Table of critical values \begin{tabular}{ccc} \begin{tabular}{c} Level of Confidence, \\ $(\mathbf{1}-\alpha) \cdot \mathbf{1 0 0} \%$ \end{tabular} & Area in Each Tail, $\frac{\boldsymbol{\alpha}}{\mathbf{2}}$ & Critical Value, $\boldsymbol{z}_{\frac{\boldsymbol{\alpha}}{\mathbf{2}}}$ \\ \hline $90 \%$ & 0.05 & 1.645 \\ \hline $95 \%$ & 0.025 & 1.96 \\ \hline $99 \%$ & 0.005 & 2.575 \\ \hline \end{tabular} Print Done