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Test a hypothesis H0: μ=50; H1: m≠50 at α=0.10. Given σ=2.5 and a sample of size...

Test a hypothesis

H0: μ=50;

H1: m≠50

at α=0.10. Given σ=2.5 and a sample of size 30 was taken and the sample means X-bar=47.5.

You can use P-value to test or find zα/2 to do the test.

math   Statistics-And-Probability   
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