You have learned that a confidence interval for $\pi$ is given by: $\hat{p} \pm z^*\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}$.
-Does increasing the confidence level lead to a larger value of $z^{*}$, a smaller value of $z^{*}$, or no change in the value of $z^{*}$ ?

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The Answer of You have learned that a confidence interval for $\pi$ is given by: $\hat{p} \pm z^*\sqrt{\frac{\hat{p}(1-\hat{p})}{n}}$.
-Does increasing the confidence level lead to a larger value of $z^{*}$, a smaller value of $z^{*}$, or no change in the value of $z^{*}$ ?

You Have Learned That a Confidence Interval For π\piπ Is Given By

You Have Learned That a Confidence Interval For $\pi$ Is Given By