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Suppose you are studying the average systolic blood pressure (in mmHg) of all possible random samples of 100 adults from a population of 2,500 adults

Suppose you are studying the average systolic blood pressure (in mmHg) of all possible random samples of 100 adults from a population of 2,500 adults in Northern California hospitals. Assume the underlying population systolic blood pressure follows a Normal distribution with mean 115 mmHg and standard deviation 3 mmHg. What is the standard deviation of the sampling distribution

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