You may need to use the appropriate appendix table or technology to answer this question, In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. Use a planning value for the population standard deviation of eight minutes. (Round your answers up to the nearest Integer.) How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence? How targe a sample should be taken for a 99% level of confidence? Need Help? Read