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 542 floppy disks is drawn. Of these disks, 37 were defective. Using the data, construct the 95% confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places.

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A: Givenn=374x=157p^=xn=157374=0.41981-p^=1-0.4198=0.5802α=1-0.90=0.1α2=0.05Z0.05 =1.645

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