Question
The average teacher's salary in Connecticut (ranked first among states) is $57,337. Suppose that the distribution of salaries is normal with a standard deviation of
The average teacher's salary in Connecticut (ranked first among states) is $57,337. Suppose that the distribution of salaries is normal with a standard deviation of $7500. If we sample 100 teachers' salaries, what is the probability that the sample mean is less than $56,000?
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Algebra and Trigonometry
Authors: Ron Larson
10th edition
9781337514255, 1337271179, 133751425X, 978-1337271172
