practice questions for Test3

practice questions for Test3 - Pretest 3 II-3 II-3 Prove If...

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Pretest 3 II-3  II-3.  Prove:   If  we accept Ho:  μ μ  at the  α  level then  μ o  is on the (1- α )100% confidence interval for  μ . (P247) Ans))  1.   (1-     α    )100% confidence interval      for  μ  (given on p228) is : / 2 / 2 s s x t x t n n α α μ - < < +                            ( ) a K 2.  1)   Critical region of the two-sided test 0 0 1 0 : vs. : H H μ μ μ μ =   at a level  α  is :   0 /2 / x t t s n α μ - = 2)  Acceptance region  of this test is : 0 / 2 / x t s n α μ - <                                           
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