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Suppose that you were running a hypothesis test with , and that you believed that you...

Suppose that you were running a hypothesis test with , and that you believed that you KNEW the values of  and . If you ran this test with a significance level of 4%, then state the value of the critical number that you would use to set up the Rejection Region, rounded off to the second decimal place if necessary.

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Answer #1

alpha = 0.04

critical valuea, +-z(a/2)
= +-z(0.04/2)
= NORMSINV(1-0.04/2)
= +-2.05

rejection region is z<-2.05 and z>2.05

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