3. In a comparative study of two new drugs, A and B,(兩種新藥之比較研究),120 patients were treated with drug A and 150 patients with drug B, and the following results were
obtained
【題組】(2) Do these results demonstrate a significantly higher cure rate with drug B than drug A? Test with a=0.05.(是否B藥治癒率顯著高於A藥)<10%>