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ntral D Question 21 2.5 pts 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 100 different 24- hour periods and determines the number of admissions for each. For this sample, the sample mean is x bar = 16.3 and the sample standard deviation is s= 4. Estimate the mean number of admissions per 24-hour period with a 99% confidence interval. O 16.3 + 0.396 O 16.3 + 1.030 O 16.3 + 4.120 16.3 + 0.103 D Question 22 2.5 pts