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Ifn=30,x=49 ands=3, construct a confidence interval at a 80%confidence level. Assume the data came from a normally distributed population. Give your answers to one decimal

Ifn=30,x=49 ands=3, construct a confidence interval at a 80%confidence level. Assume the data came from a normally distributed population.

Give your answers to one decimal place.

................. << .............

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