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Physicians at a clinic gave what they thought were drugs to 800 patients. Although the doctors later learned that the drugs were really placebos, 52% of the patients reported an improved condition. Assume that with no drugs at all the probability of a patient's condition improving is 0.47. Test the hypotheses that the proportion of patients improving under the placebo drug is > 0.47. Find the test statistic: Find the p-value. P=

Physicians at a clinic gave what they thought were drugs to 800 patients. Although the doctors later learned that the drugs were really placebos, 52% of the patients reported an improved condition. Assume that with no drugs at all the probability of a patient's condition improving is 0.47. Test the hypotheses that the proportion of patients improving under the placebo drug is > 0.47. Find the test statistic: Find the p-value. P=

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Physicians at a clinic gave what they thought were drugs to 800 patients. Although the doctors later learned that the drugs were really placebos, 52% of the patients reported an improved condition. Assume that with no drugs at all the probability of a patient's condition improving is 0.47. Test the hypotheses that the proportion of patients improving under the placebo drug is > 0.47. Find the test statistic: Find the p-value. P=
Transcribed Image Text:Physicians at a clinic gave what they thought were drugs to 800 patients. Although the doctors later learned that the drugs were really placebos, 52% of the patients reported an improved condition. Assume that with no drugs at all the probability of a patient's condition improving is 0.47. Test the hypotheses that the proportion of patients improving under the placebo drug is > 0.47. Find the test statistic: Find the p-value. P=
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