The mean difference in times between the experiment is -9.4, Ask an Expert

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Suppose in a study described in problem 9 each patient was also asked if the assigned medication caused any stomach upset. Among 50 patients 12 reported stomach upset with the experimental medication. Construct a 90% CI for the proportion of patients who experience stomach upset with the experimental medication. ( Problem 9 is a crossover trial. total of 50 patients are enrolled. the mean difference in times between the experiment is -9.4 minutes with a standard deviation of 2.8 minutes)

a. Construct a 90% CI for the proportion of patients who experience stomach upset with the experimental medication.

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