IDNLearn.com: Where your questions meet expert advice and community support. Discover thorough and trustworthy answers from our community of knowledgeable professionals, tailored to meet your specific needs.

A very large study showed that aspirin reduced the rate of first heart attacks by ​%. A pharmaceutical company thinks they have a drug that will be more effective than​ aspirin, and plans to do a randomized clinical trial to test the new drug. What is the null hypothesis the company will​ use?.