question archive A sample of 30 patients in a doctor's office showed that they had to wait an average of 35 minutes before they could see the doctor
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A sample of 30 patients in a doctor's office showed that they had to wait an average of 35 minutes before they could see the doctor. The sample standard deviation is 14 minutes. Assume the population of waiting times is normally distributed. At 95% confidence, compute the margin of error.
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