The mean annual salary for magnetic resonance imaging (MRI) technologists is about $72,000. A random sample of
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The mean annual salary for magnetic resonance imaging (MRI) technologists is about $72,000. A random sample of 50 MRI technologists is selected. What is the probability that the mean annual salary of the sample is
(a) Less than $71,500 and
(b) More than $74,500? Assume σ = $10,000
Find the indicated probabilities and interpret the results.
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Related Book For 
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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