Find the chitical Value(s) and rejection region(s) for the type of z-test with level of significance a. Include a graph with your answer. Two-tailed test, a= 0.05
Find the chitical Value(s) and rejection region(s) for the type of z-test with level of significance a. Include a graph with your answer. Two-tailed test, a= 0.05
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
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Transcribed Image Text:Find the critical value(s) and rejection region(s) for the type of z-test with level of significance a. Include a graph with your answer.
Two-tailed test, a = 0.05
.....
The critical value(s) is/are z=
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
1.96,1.96
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
(Round to two decimal places as needed.)
O A. The rejection region is z<
O B. The rejection region is z>
O C. The rejection regions are z<
and z>.
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Expert Solution
Step 1- Writing given data
Given that
Two tailed test
Level of significance () = 0.05
Critical value :
P(z<-z) = 0.05
P(z>z) = 0.05
From Z normal distribution table
Critical values are
P(z<-1.96) = 0.05
P(z>1.96) = 0.05
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