Question: #5 Finding test statistics. Exercise 5, find the value of the test statistic z using:

\[z=\frac{\begin{aligned} & \hat{\ } \\ & p-p \\ \end{aligned}}{\sqrt{\frac{pq}{n}}}\]

The claim is that the majority of medical malpractice lawsuits are dropped or are dismissed, and a random sample of 500 lawsuits includes 349 that were dropped or dismissed.