Question: #10.44: Does lovastatin (a cholesterol-lowering drug) reduce the risk of a heart attack? In a Texas study, researchers gave lovastatin to 2,325 people and an inactive substitute to 2,081 people (average age 58). After 5 years, 57 of the lovastatin group had suffered a heart attack, compared with 97 for the inactive pill. A) State the appropriate hypothesis. B) Obtain a test statistic and p-value. Interpret the results at α = .01. C) Is normality assured? D) Is the difference large enough to be important? E) What else would medical researchers need to know before prescribing this drug widely?