(10 points) Physicians at a clinic gave what they thought were drugs to 810 patients. Although...
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(10 points) Physicians at a clinic gave what they thought were drugs to 810 patients. Although the doctors later learned that the drugs were really placebos, 53 % of the patients reported an improved condition. Assume that if the placebo is ineffective, the probability of a patients condition improving is 0.48. Test the hypotheses that the proportion of patients improving is more than 0.48. 1. Find the test statistics: z = 2. Find the p-value. p = (Enter your answer to two decimal places). (Enter your answer to four decimal places). (10 points) Physicians at a clinic gave what they thought were drugs to 810 patients. Although the doctors later learned that the drugs were really placebos, 53 % of the patients reported an improved condition. Assume that if the placebo is ineffective, the probability of a patients condition improving is 0.48. Test the hypotheses that the proportion of patients improving is more than 0.48. 1. Find the test statistics: z = 2. Find the p-value. p = (Enter your answer to two decimal places). (Enter your answer to four decimal places).
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Hypothesis Testing 1 Null and Alternative Hypothesis Null Hypothesis H0 The proportion of patients i... View the full answer
Related Book For
Statistics For Business And Economics
ISBN: 9780134506593
13th Edition
Authors: James T. McClave, P. George Benson, Terry Sincich
Posted Date:
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