In a random sample of 150 customers of a high-speed internet provider, 63 said that
Chapter 5, Problem 12(choose chapter or problem)
In a random sample of 150 customers of a high-speed internet provider, 63 said that their service had been interrupted one or more times in the past month.
Find a \(95 \%\) confidence interval for the proportion of customers whose service was interrupted one or more times in the past month.
Find a \(99 \%\) confidence interval for the proportion of customers whose service was interrupted one or more times in the past month.
Find the sample size needed for a \(95 \%\) confidence interval to specify the proportion to within \(\pm 0.05\).
Find the sample size needed for a \(99 \%\) confidence interval to specify the proportion to within \(\pm 0.05\).
Equation Transcription:
Text Transcription:
95%
99%
95%
\pm 0.05
99%
\pm 0.05
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