Acid Rain
The p-value found below will help you in answering this. d) Find the test-statistic . e) Find the p-value . P(x-bar < 4.811) = P(z < - 4.77) = almost zero < 0.01 (significance level alpha) f) This p-value indicates that observing an x-bar = _4.811_____ or less when you select a sample of size 19 from a population that has a mean ยต of 5.03 is ... ................
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