Quiz: Chapter 7 Quiz This Question: 1 pt 3 of 100 (2 complete) Find the critical

Question

Quiz: Chapter 7 Quiz This Question: 1 pt 3 of 100 (2 complete) Find the critical value(s) and rejection region for the type of z est with level of significance a. Include a graph with your answer Two-tailed test, a 0.005 The critical value(s) is/are z Round to two decimal places as needed. Use a comma to separate answers as needed. Select the comect choice below and, if necessary, fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A Tri rejection region is z

Explanation / Answer

As it is a 2 tailed test, for a 0.005 level of significance,

P ( z > 2.807 ) = 0.0025

Therefore the critical value here would be z* = 2.807

The rejection region based on this critical value would be:

z < -2.807 and z > 2.807

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