A Hi-Tech company has introduced a new flash disk. Some dealers and customers have complained that some of the new disks are defective. In order to investigate this the company randomly tested n disks and found that 6.85% were defective. Find the appropriate sample size necessary to achieve a margin of error of 0.046 in order to construct a 90% confidence interval for the proportion of all flash disks that are defective. Round your answer to the nearest integer (whole number).

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter8: Sequences, Series, And Probability
Section8.7: Probability
Problem 58E: What is meant by the sample space of an experiment?
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QUESTION 22
A Hi-Tech company has introduced a new flash disk. Some dealers and customers have complained
that some of the new disks are defective. In order to investigate this the company randomly tested n
disks and found that 6.85% were defective. Find the appropriate sample size necessary to achieve a
margin of error of 0.046 in order to construct a 90% confidence interval for the proportion of all flash
disks that are defective. Round your answer to the nearest integer (whole number).
Transcribed Image Text:QUESTION 22 A Hi-Tech company has introduced a new flash disk. Some dealers and customers have complained that some of the new disks are defective. In order to investigate this the company randomly tested n disks and found that 6.85% were defective. Find the appropriate sample size necessary to achieve a margin of error of 0.046 in order to construct a 90% confidence interval for the proportion of all flash disks that are defective. Round your answer to the nearest integer (whole number).
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