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
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.
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Step: 1
Let sample proportion be p o The sample proportion p ...
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Probability And Statistics
Authors: Morris H. DeGroot, Mark J. Schervish
4th Edition
9579701075, 321500466, 978-0176861117, 176861114, 978-0134995472, 978-0321500465
