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(A) The upper 95% confidence bound cannot be calculated from the data provided

You and your colleagues are conducting a small clinical trial concerning the management of pediatric asthma. The clinical trial involves three different treatment arms and one placebo arm. The outcome of interest is hospitalization for respiratory distress. In one treatment arm (n=31), there are no patients that require hospitalization during the follow-up period (i.e., 0 events). What is the upper 95% confidence bound for the rate of hospitalization for the 31 subjects in this treatment arm?

Question 20 of 40

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