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7. A quality-conscious disk manufacturer wishes to know the fraction of disks his com makes which are defective. Step 1. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, estimate the proportion of disks which are defective. Er your answer as a fraction or a decimal number rounded to three decimal places. Answer: Step 2. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, construct the 90% confidence interval for the populatic proportion of disks which are defective. Round your answers to three decimal pla Answer: Lower endpoint: Upper endpoint:

7. A quality-conscious disk manufacturer wishes to know the fraction of disks his com makes which are defective. Step 1. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, estimate the proportion of disks which are defective. Er your answer as a fraction or a decimal number rounded to three decimal places. Answer: Step 2. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, construct the 90% confidence interval for the populatic proportion of disks which are defective. Round your answers to three decimal pla Answer: Lower endpoint: Upper endpoint:

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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7. A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were 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 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, construct the 90% 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:7. A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1. Suppose a sample of 715 floppy disks is drawn. Of these disks, 64 were 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 715 floppy disks is drawn. Of these disks, 64 were defective. Using the data, construct the 90% 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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