46. A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer: Step 2. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not defective. Using the data, construct the 80% confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places. Answer: Lower endpoint: Upper endpoint:

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
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46.
A quality-conscious disk manufacturer wishes to know the fraction of disks his company
makes which are defective.
Step 1. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not
defective. Using the data, estimate the proportion of disks which are defective. Enter
your answer as a fraction or a decimal number rounded to three decimal places.
Answer:
Step 2. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not
defective. Using the data, construct the 80% confidence interval for the population
proportion of disks which are defective. Round your answers to three decimal places.
Answer: Lower endpoint:
Upper endpoint:
Transcribed Image Text:46. A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer: Step 2. Suppose a sample of 1067 floppy disks is drawn. Of these disks, 993 were not defective. Using the data, construct the 80% confidence interval for the population proportion of disks which are defective. Round your answers to three decimal places. Answer: Lower endpoint: Upper endpoint:
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