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3) Use critical values to test the null hypothesis H0: μ1 − μ2 = 20 versus...

3) Use critical values to test the null hypothesis H0: μ1 − μ2 = 20 versus the alternative hypothesis Ha: μ1 − μ2 ≠ 20 by setting α equal to .05. How much evidence is there that the difference between μ1 and μ2 is not equal to 20?

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Answer #1

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