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Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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6. A new drug is proposed to lower total cholesterol. A randomized controlled trial is designed to evaluate the efficacy of the medication in lowering cholesterol. Ninety-eight participants are enrolled in the trial and are randomly assigned to receive either the new drug or a placebo. The participants do not know which treatment they are assigned. Each participant is asked to take the assigned treatment
Transcribed Image Text:6. A new drug is proposed to lower total cholesterol. A randomized controlled trial is designed to evaluate the efficacy of the medication in lowering cholesterol. Ninety-eight participants are enrolled in the trial and are randomly assigned to receive either the new drug or a placebo. The participants do not know which treatment they are assigned. Each participant is asked to take the assigned treatment
for 6 weeks. At the end of 6 weeks, each patient's total cholesterol level is measured and the sample statistics are as follows. At 0.01% significance level, is the new drug effective or not? Treatment Sample Size Mean Standard Deviation New Drug 45 195.9 28.7 Placebo 53 227.4 30.3
Transcribed Image Text:for 6 weeks. At the end of 6 weeks, each patient's total cholesterol level is measured and the sample statistics are as follows. At 0.01% significance level, is the new drug effective or not? Treatment Sample Size Mean Standard Deviation New Drug 45 195.9 28.7 Placebo 53 227.4 30.3
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