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Category > Applied Sciences Posted 18 May 2017 My Price 4.00

A telephone company wants to estimate the average length

A telephone company wants to estimate the average length of long-distance calls during weekends. A random sample of 50 calls gives a mean  = 14.5 minutes and standard deviation s = 5.6 minutes. Give a 95% confidence interval and a 90% confi- dence interval for the average length of a long-distance phone call during weekends.

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Alpha Geek
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Status NEW Posted 18 May 2017 08:05 AM My Price 4.00

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