ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN: 9780190931919
Author: NEWNAN
Publisher: Oxford University Press
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Transcribed Image Text:An item is produced in large numbers. The
machine is known to produce 5% defectives. A
quality control inspector is examining the items
by taking them at random. What is the
probability that at least 4 items are to be
examined in order to get 2 defectives?
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