You may need to use the appropriate appendix table or technology to answer this question. A sample of 81 patients in a doctor's office showed that they had to wait an average of 49 minutes with a standard deviation of 10 minutes before they could see the doctor. Provide a 90% confidence interval estimate for the average waiting time (in minutes) of all the patients who visit this doctor. (Round your answers to three decimal places.) 47.175 Submit Answer X minutes to 50.825 xminutes