Check My Work (No more tries available) In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. How large a sample...

Extracted text: Check My Work (No more tries available) In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. How large a sample should be taken if the desired margin of error is two minutes at a 95% level of confidence? Hów large a sample should be taken for a 99% level of confidence? Use a planning value for the population standard deviation of 10 minutes. 95% Confidence (to the nearest whole number): 99% Confidence (to the nearest whole number):