Concept explainers
Testing Medication A drug company is testing 200 patients to sec it Patients (a new headache medicine) is effective. Half the patients receive Patients and half receive a placebo. The data on the first 50 patients is; summarized in this matrix:
(a) Of those who took the placebo, bow many got relief?
(b) Of those who took the new medication, how many got no relief?
(c) Tie test was repeated 011 three more groups of 50 patients each, with the result summarized by these matrices.
Find the total results for all 200 patients.
(d) On the basis of these results, does it appear that Patients is effective?
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Finite Mathematics (11th Edition)
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