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 Y N Y Y N Y Y N NY N YNY N Y Y Y N Y N NY N N Y N N N N N N N
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 Y N Y Y N Y Y N NY N YNY N Y Y Y N Y N NY N N Y N N N N N N N
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
q49
![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.)
\[
\begin{array}{cccccccc}
N & N & N & Y & N & Y & N & N \\
Y & N & N & Y & N & Y & N & N & N \\
N & Y & N & Y & N & N & Y \\
Y & N & N & Y & N & N & Y & N \\
N & N & Y & N & N & N & N & N \\
Y & N & N & N & N & N & N & Y \\
Y & N & N & Y & N & N & N & N \\
N & N & N & Y & Y & N & N & N \\
Y & N & N & Y & Y & N & N & Y \\
Y & Y & Y & N & N & Y & N & N \\
N & N & N & Y & Y & N & Y & N \\
\end{array}
\]
Appendix A Statistical Tables
Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator.
*(Round the answers to 3 decimal places, e.g. 0.758.)*
\[ \text{___} \leq p \leq \text{___} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F17032b89-925d-4d33-b2d8-637491852bd9%2F0b612b23-e98c-4bbd-a3c0-9fdf61dd9497%2Fbohf7t_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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.)
\[
\begin{array}{cccccccc}
N & N & N & Y & N & Y & N & N \\
Y & N & N & Y & N & Y & N & N & N \\
N & Y & N & Y & N & N & Y \\
Y & N & N & Y & N & N & Y & N \\
N & N & Y & N & N & N & N & N \\
Y & N & N & N & N & N & N & Y \\
Y & N & N & Y & N & N & N & N \\
N & N & N & Y & Y & N & N & N \\
Y & N & N & Y & Y & N & N & Y \\
Y & Y & Y & N & N & Y & N & N \\
N & N & N & Y & Y & N & Y & N \\
\end{array}
\]
Appendix A Statistical Tables
Use this information to estimate with 95% confidence the proportion of the population that does have at least one bilingual operator.
*(Round the answers to 3 decimal places, e.g. 0.758.)*
\[ \text{___} \leq p \leq \text{___} \]
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