Jany, 18 Very keen to improve their service performance. They interviewed 300 customers to determine their satisfaction with service. 30 customers expressed dissatisfaction with service. Compute the sample size needed to ensure that the company can be 95% confident of correctly estimating the proportion dissatisfied with an allowable error of 0.03.
Jany, 18 Very keen to improve their service performance. They interviewed 300 customers to determine their satisfaction with service. 30 customers expressed dissatisfaction with service. Compute the sample size needed to ensure that the company can be 95% confident of correctly estimating the proportion dissatisfied with an allowable error of 0.03.
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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Question
![Krishco Inc., a bread making company, is very keen to improve their service performance. They interviewed 300 customers to determine their
satisfaction with service. 30 customers expressed dissatisfaction with service. Compute the sample size needed to ensure that the company can
be 95% confident of correctly estimating the proportion dissatisfied with an allowable error of 0.03.
Z and t TABLES ARE GIVEN AS QUESTIONS 28-29.
PLEASE SHOW ALL YOUR CALCULATIONS.CORRECT ANSWER WITHOUT CALCULATIONS WILL BE AWARDED PARTIAL
CREDIT.
Paragraph
В I
+ v
..](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa72c6a10-3189-4b0f-9a9d-2fa0dcc12669%2F3da6d82a-f7ed-4659-b2c8-87c17da0c86c%2Fau023d6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Krishco Inc., a bread making company, is very keen to improve their service performance. They interviewed 300 customers to determine their
satisfaction with service. 30 customers expressed dissatisfaction with service. Compute the sample size needed to ensure that the company can
be 95% confident of correctly estimating the proportion dissatisfied with an allowable error of 0.03.
Z and t TABLES ARE GIVEN AS QUESTIONS 28-29.
PLEASE SHOW ALL YOUR CALCULATIONS.CORRECT ANSWER WITHOUT CALCULATIONS WILL BE AWARDED PARTIAL
CREDIT.
Paragraph
В I
+ v
..
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