(a) If N=200 and X=80 construct a 95% confidence interval estimate of the population proportion __ <...
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(b) If you want to be 95% confident of estimating the population mean to within a sampling error of + 5 and a standard deviation is assumed to be 19, The sample size required is ___ (Round to the nearest integer)
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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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