A very large study showed that aspirin reduced the rate of first heart attacks by 44%. A

Question:

A very large study showed that aspirin reduced the rate of first heart attacks by 44%. 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.
a) What is the null hypothesis the company will use?
b) What is their alternative hypothesis?

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