In a survey concerning electronic monitoring and surveillance it was found that 112 of 320 businesses fired worker for misuse of the Internet, and 225 of 750 businesses fired workers for email misuse. a) Construct and interpret a 95% confidence interval for the proportion of businesses that have fired workers for misuse of the Internet.  b) Construct a 90% confidence interval for the proportion of businesses that fired workers for email misuse.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
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In a survey concerning electronic monitoring and surveillance it was found that 112 of 320 businesses fired worker for misuse of the Internet, and 225 of 750 businesses fired workers for email misuse.
a) Construct and interpret a 95% confidence interval for the proportion of businesses that have fired workers for misuse of the Internet. 
b) Construct a 90% confidence interval for the proportion of businesses that fired workers for email misuse.

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