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A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are...

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Question

Statistics

A quality-conscious disk manufacturer wishes to know thefraction of disks his company makes which are defective.

Step 1 of 2:

Suppose a sample of 884 floppy disks is drawn. Of these disks,796 were not defective. Using the data, estimate the proportion ofdisks which are defective. Enter your answer as a fraction or adecimal number rounded to three decimal places.

Step 2 of 2:

Suppose a sample of 884 floppy disks is drawn. Of these disks,796 were not defective. Using the data, construct the 98%confidence interval for the population proportion of disks whichare defective. Round your answers to three decimal places.

Answer & Explanation Solved by verified expert
3.8 Ratings (338 Votes)
solutionGiven thatn 884x 796Point estimate sample proportion x n    See Answer
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