Question

Suppose that 10 patients with meningitis received treatment with large doses of penicillin. Three days later, temperatures were recorded, and the treatment was considered successful if there had been a reduction in a patient’s temperature. Denoting success by S and failure by F, the 10 observations are
a. What is the value of the sample proportion of successes?
b. Replace each S with a 1 and each F with a 0. Then calculate x for this numerically coded sample. How does x compare to p^ ?
c. Suppose that it is decided to include 15 more patients in the study. How many of these would have to be S’s to give p^ _ .80 for the entire sample of 25 patients?


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  • CreatedSeptember 19, 2015
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