A medical research team conducted a study to test the effect of a cholesterolreducing medication. At the

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A medical research team conducted a study to test the effect of a cholesterolreducing medication. At the end of the study, the researchers found that of the 4700 randomly selected subjects who took the medication, 301 died of heart disease. Of the 4300 randomly selected subjects who took a placebo, 357 died of heart disease. At \(\alpha=0.01\), can you support the claim that the death rate due to heart disease is lower for those who took the medication than for those who took the placebo?

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Elementary Statistics Picturing The World

ISBN: 9781292260464

7th Global Edition

Authors: Betsy Farber, Ron Larson

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