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).

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
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).
Expert Solution
steps

Step by step

Solved in 3 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman