Use the Following Sample Sizes and Numbers of Successes for the Next

Short Answer

Use the following sample sizes and numbers of successes for the next questions.
Medical researchers reviewing the risk of death for elderly patients taking
dementia drugs found the following data. Assume a .05 significance level for
testing the claim that the proportions are not equal. Also, assume the two simple
random samples are independent and that the conditions are
satisfied.
-Find the test statistic.