Assume that a sample is used to estimate a population mean u. Find the 80% confidence interval for a sample of size 578 with a mean of 66.7 and a standard deviation of 20.5. Enter your answer as a tri-linear inequality accurate to 3 decimal places. <μ<

MATLAB: An Introduction with Applications
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Assume that a sample is used to estimate a population mean
μ. Find the 80% confidence interval for a sample of size 578
with a mean of 66.7 and a standard deviation of 20.5. Enter
your answer as a tri-linear inequality accurate to 3 decimal
places.
<με
Transcribed Image Text:Assume that a sample is used to estimate a population mean μ. Find the 80% confidence interval for a sample of size 578 with a mean of 66.7 and a standard deviation of 20.5. Enter your answer as a tri-linear inequality accurate to 3 decimal places. <με
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