Multiple Choice
Use the following to answer questions :
In a hypothesis test with hypotheses and
,a random sample of size 481 produced a sample proportion of 0.4350.The test is to be made at the 5% significance level.
-What is the critical value of z?
A) 1.96
B) 1.645
C) 2.12
D) 2.72
Correct Answer:

Verified
Correct Answer:
Verified
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