II.Among 250 employees, of the local office of an international insurance company, 182 arewhites, 51 are blacks and the rest are Orientals. If 5% margin of error is used,Solution:5. How many employees will be chosen for a case study as samples?6. How many Orientals will be chosen?7. How many whites will be chosen?

Answered: Image /qna-images/answer/adafa6b9-bdfc-4112-bc73-948ab890cacb.jpg

Answered: II. Among 250 employees, of the local…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Make your own problem about single sample estimating mean. Include all of your solution.
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You want to compare the average working time of customer service from two companies. 9 representatives were randomly selected from a insurance company and 20 representatives were randomly selected from an airline company and their working time (in hours) in the past week were recorded. what test would you use? Two-proportions z-test Two-sample t-test One-sample t-test Paired t-test
4
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