Use the following to answer questions :
In a hypothesis test with hypotheses and ,a random sample of size 809 produced a sample proportion of 0.2400.The test is to be made at the 5% significance level.
-What are the critical values of z?
A)-2.58 and 2.58
B)-1.645 and 1.645
C)-1.96 and 1.96
D)-1.72 and 1.72

Question

Use the following to answer questions :
In a hypothesis test with hypotheses  and  ,a random sample of size 809 produced a sample proportion of 0.2400.The test is to be made at the 5% significance level.
-What are the critical values of z?
A)-2.58 and 2.58 
B)-1.645 and 1.645 
C)-1.96 and 1.96 
D)-1.72 and 1.72

Quizplus · Accepted Answer

The critical values of z for a 95% confidence level are -1.96 and 1.96.

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