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A random sample of 12 registered nurses in a large hospital showed that they worked on average 44.9 hours per week. The standard deviation of
A random sample of 12 registered nurses in a large hospital showed that they worked on average 44.9 hours per week. The standard deviation of the sample was 2.9. Estimate the mean of the population with 95% confidence. Assume the variable is normally distributed. Round intermediate answers to at least 3 d.p. Round your final answers to one d.p. ___ < u < ___
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Algebra And Trigonometry Enhanced With Graphing Utilities (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
8th Edition
0135813158, 9780135813157
