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Find the probability and interpret the results. If convenient, use technology to find the probability. During a certain week the mean price of gasoline was
Find the probability and interpret the results. If convenient, use technology to find the probability. During a certain week the mean price of gasoline was $2.70 per gallon. A random sample of 36 gas stations is drawn from this population. What is the probability that the mean price for the sample was between $2.60 and $2.80 that week? Assume σ = $0.04.
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Introduction to Chemical Engineering Thermodynamics
Authors: J. M. Smith, H. C. Van Ness, M. M. Abbott
7th edition
71247084, 978-0071247085
