(a) Click on "Take Sample" to see the results from your random sample of 32 heart valve patients.
\begin{tabular}{|c|c|c|c|}
\hline Number of patients & Sample mean & \begin{tabular}{c}
Sample standard \\
deviation
\end{tabular} \\
\hline Take Sample & 32 & 4.93 & 1.63 \\
\hline
\end{tabular}
Population standard deviation
1.92
Enter the values of the sample size, the point estimate for the population mean, the population standard deviation, and the critical value you need for your \( 90 \% \) confidence interval. (Choose the correct critical value from the table of critical values provided.) When you are done, select "Compute".
\begin{tabular}{|l|l|}
\hline \begin{tabular}{l}
Sample size: \\
\( \square \)
\end{tabular} \\
\hline \begin{tabular}{l}
Point estimate: \\
\( \square \)
\end{tabular} \\
\hline \begin{tabular}{l}
Population standard deviation: \\
\( \square \)
\end{tabular} \\
\hline \begin{tabular}{l}
Critical value: \\
\( \square \)
\end{tabular} \\
\hline Compute \\
\hline
\end{tabular}