SOLUTION: What critical region(s) for z would be used to test the hypotheses: H0:µ and Ha:µ≠10,for α = 0.05 ?
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Question 1129262: What critical region(s) for z would be used to test the hypotheses: H0:µ and Ha:µ≠10,for α = 0.05 ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What critical region(s) for z would be used to test the hypotheses:
H0:µ = 10
Ha:µ ≠ 10,
for α = 0.05 ?
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Ha determines that this is a 2-tail test.
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There are two tails. Left tail with area = 0.025. Right tail with area 0.025
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Critical regions.
z < -1.96 for the left tail
z > +1.96 for the right tail
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Cheers,
Stan H.
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