(Answered) Question 1 why is it possible to reject the null hypothesis

Statistics

Question: 1. Why is it possible to reject the null hypothesis when it is true?

2. Why is it possible to not reject the null hypothesis when it is false?

3. For a given sample size, if α is reduced from 0.05 to 0.01, what happens to ß?

4. For H₀ : μ = 100, H₁ : μ ≠ 100, and for a sample of size n, why is , larger if the actual value of is 90 than if the actual value of is 75?

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