SOLUTION: sketch the rejection region for a one-tailed test with 90% confidence. Does z = 1.84, fall in the rejection region

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Question 1202346: sketch the rejection region for a one-tailed test with 90% confidence.
Does z = 1.84, fall in the rejection
region
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
see the following graph.



the tst z-score was 1.84.
the critical z-score at 90% right tailed confidence interval qas 1.28.
since the test z-scorre was grater than the critical z-score, it ws in the rejection region, as shown on the graph.