An Oregon wine association wants to determine the proportion of west coast consumers who would spend at
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An Oregon wine association wants to determine the proportion of west coast consumers who would spend at least $ 30 on Willamette Valley pinot noir at a 99% confidence level. If they wish to have an error of no more than 5%, how large a sample must they take? Based on surveys of cruise passengers that have visited the wineries, the association estimates that the proportion is around 0.15.
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Business Analytics Methods Models and Decisions
ISBN: 978-0321997821
2nd edition
Authors: James R. Evans
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