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1. The main trial is conducted and involves a total of 200 patients. Patients are enrolled and randomized to receive either the experimental medication or the placebo. The data shown below are data collected at the end of the study after 6 weeks on the assigned treatment.
Experimental (n=100)
Placebo (n=100)
Mean (Std Dev) Systolic Blood Pressure
120.2 (15.4)
131.4 (18.9)
% Hypertensive
14%
22%
% With Side Effects
6%
8%
the time in hours for a worker to repair an electrical instrument is a normally distributed random variable with a mean
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