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Question 2 of 2 (1 point) Attempt 1 of Unlimited 9.1 Section Exercise 20 (table) In a large hospital, a nursing director selected a random sample of 37 registered nurses and found that the mean of their ages was 31.6. The population standard deviation for the ages is 4.3. She selected a random sample of 29 nursing assistants and found the mean of their ages was 31.1. The population standard deviation of the ages for the assistants is 5.1. Find the 90% confidence interval of the differences in the ages. Use u, for the mean age of the registered nurses. Round the answers to one decimal place. olo