Since the financial scandals of the early 2000s, companies have been working to improve their internal audit
Question:
a. Build a 90% confidence interval estimate of the proportion of all American companies who will substantially increase the size of their audit staff during the next year.
b. Interpret the interval you produced in part a.
c. Identify the standard error and the margin of error in your interval.
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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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