A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow (Y denotes that the company does have at least one bilingual operator; N denotes that it does not). NNNNYNYNNYNNNYYNNNNNYNYNYNYYYNYNNNYNNYNNNNNNNYNYYNNYNYNNYYNNNNNYNNNNYNNNYYYNNYNNNNNNYYNNYN Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator.

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Answered: A national survey of companies included…

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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A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies follow (Y denotes that the company does have at least one bilingual operator; N denotes that it does not).

N	N	N	N	Y	N	Y	N	N
Y	N	N	N	Y	Y	N	N	N
N	N	Y	N	Y	N	Y	N	Y
Y	Y	N	Y	N	N	N	Y	N
N	Y	N	N	N	N	N	N	N
Y	N	Y	Y	N	N	Y	N	Y
N	N	Y	Y	N	N	N	N	N
Y	N	N	N	N	Y	N	N	N
Y	Y	Y	N	N	Y	N	N	N
N	N	N	Y	Y	N	N	Y	N

Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator.

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