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QUESTION 23 A college administrator collects data on a nationwide random sample of 322 students enrolled in M.B.A. programs and finds that 135 of these students have undergraduate degrees in business. Find the lower confidence limit of the 99% confidence interval for the proportion of such students in the nationwide population who have undergraduate degrees in business. Round your answer to two decimal places. QUESTION 24 A random sample of 44 adults in UAE revealed that 27 of them took the COVID-19 vaccination. Find the upper confidence limit of the 90% confidence interval for the proportion of all adults in UAE who took the COVID-19 vaccination. Round your answer to two decimal places. QUESTION 25 A random sample of 49 lunch customers was taken at a restaurant. The average amount of time the customers in the sample stayed in the restaurant was 45 minutes with a standard deviation of 14 minutes. Find the corresponding critical value for calculating a 93% confidence interval. Round your answer to three decimal places