According to Thomson Financial, through last month, the majority of companies reporting profits had beaten estimates. A
Question:
a. What is the point estimate of the proportion that fell short of estimates?
b. Determine the margin of error and provide a 95% confidence interval for the proportion that beat estimates.
c. How large a sample is needed if the desired margin of error is .05?
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a p 29 162 1790 b p 104 162 ...View the full answer
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Related Book For 
Modern Business Statistics With Microsoft Excel
ISBN: 9781337115186
6th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
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