Haley G.

asked • 04/22/20

P-Value and Test Statistic

Physicians at a clinic gave what they thought were drugs to 840 patients. Although the doctors later learned that the drugs were really placebos, 58% of the patients reported an improved condition. Assume that if the placebo is ineffective, the probability of a patients condition improving is 0.55. Test the hypotheses that the proportion of patients improving is >0.55. 

Find the test statistics: 


Find the p-value.


1 Expert Answer


William A. answered • 04/22/20

4.9 (972)

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