A manufacturer wishes to assess the percentage of defective items in a large batch produced by a
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Question:
A manufacturer wishes to assess the percentage of defective items in a large batch produced by a particular machine. He tests a random sample of 300 items and finds that 45 are defective. Calculate a 95% confidence interval for the percentage of defective items in the batch.
Related Book For
Probability and Statistics
ISBN: 978-0321500465
4th edition
Authors: Morris H. DeGroot, Mark J. Schervish
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