solve the problem. The director of a hospital wishes to estimate the mean number of people who are admitted to the emergency room during a 24-hour period. The director randomly selects 64 different 24-hour periods and determines the number of admissions for each. For this sample, I- 19.8 and $2-4. If the director wishes to estimate the mean number of admissions per 24-hour period to within 1 admission with 99% reliability, what is the minimum sample size she should use? O 42 O 107 O 27 11