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a (3 points) A random sample of 90 observations produced a mean of x = 27.3 from a population with a normal distribution and a
a (3 points) A random sample of 90 observations produced a mean of x = 27.3 from a population with a normal distribution and a standard deviation o = 4.96. (a) Find a 95% confidence interval for SHS (b) Find a 99% confidence interval for ISHS (c) Find a 90% confidence interval for SHS
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Exploring Economics
Authors: Robert L Sexton
5th Edition
978-1439040249, 1439040249
