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Suppose that in a large hospital system, that the average (mean) time that it takes for a nurse to take the temperature and blood pressure

Suppose that in a large hospital system, that the average (mean) time that it takes for a nurse to take the temperature and blood pressure of a patient is 160 seconds with a standard deviation of 38 seconds. What is the probability that 25 nurses selected at random will have a mean time of 150 seconds or less to take the temperature and blood pressure of a patient?

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