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$3.00 lovastatin
- From Mathematics: Statistics , Mathematics: General-Mathematics
- Closed, but you can still post tutorials
- Due on Nov. 20, 2008
- Asked on Nov 20, 2008 at 8:43:43PM
Q:10.44 Does lovastatin (a cholesterol-lowering drug) reduce the risk of heart attack? In a Texas study, researchers gave lovastatin to 2,325 people and an inactive substitute to 2,081 people (average age58). After 5 years, 57 of the lovastatin group had suffered a heart attack, compared with 97 for the inactive pill. (a) State the appropriate hypotheses. (b) Obtain a test statistic and p-value. Interpret the results at = .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?
