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In a two-tailed hypothesis about a population mean with a sample size of 100, σ is known, and α = 0.10, the rejection region would be _______.

z < -1.64 and z > 1.64
z > 1.64
z > 1.28
z < -2.33 and z > 2.33
z < -1.28 and z > 1.28

Sagot :

zacharyivanov

Answer:

z < -1.64 and z > 1.64

Step-by-step explanation:

See section 9.2 Testing Hypotheses about a Population Mean using the z Statistic

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