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A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are...
A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective.
Step 2 of 2 :
Suppose a sample of 2346 floppy disks is drawn. Of these disks, 1971 were not defective. Using the data, construct the 85%confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places.
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lower endpoint_________ upper endpoint___________
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