question archive Find a 90% confidence interval for the proportion of patients whose wait times in the doctors office are less than 15 minutes
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Find a 90% confidence interval for the proportion of patients whose wait times in the doctors office are less than 15 minutes. A random sample of patient wait times and a doctor's office showed that of 242 patients, 86 had a wait time less than 15 minutes. Answer using a decimal rounded to four places. ___________
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