Assume that the population has a normal distribution. Estimate the population mean annual earning. 8) College...

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math Statistics-And-Probability

Answer 1

Answer #1

n=9 á - $21361 o = $865 95% CI = 0.95 Q81-0.95 -0.os n9 df = n-1 = 9-1=8 tat da, df = to. 025,8 = 12.306 (from t table) 95%CI OPTION A IS CORRECT

Answer 2

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