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The average weekly income of information is private industry is $777. If the standard deviation is $77, what is the probability that a random sample
- The average weekly income of information is private industry is $777. If the standard deviation is $77, what is the probability that a random sample of 50 information workers will earn on average more than $800 per week? Do we need to assume a normal distribution ? Explain
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Probability & Statistics For Engineers & Scientists
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
7th Edition
9789813131279, 130415294, 9813131276, 978-0130415295
