Hypothesis Testing/ 2 Samples #4

4. A medical research team conducted a study to test the effect of a cholesterol-reducing medication. At the end of the study, the researchers found that of the 4700 subjects who took the medication, 301 died of heart disease. Of the 4300 who took a placebo, 357 died of heart disease. At the 0.01 level of significance, do the data support the claim that the death rate is lower for those who took the medication than for those who took the placebo