Q2: suppose that X₁,..., X, a random sample of size n from the normal distribution N(u,0²), where the mean μ is unknown. In testing Ho: ²o against H₁: ² > a, use the critical region defined by (n-1)5²/02 c. That is, reject Ho and accept H, if 5² > co/(n-1), where S² the variance of a random sample of size n. Let n = 13 and the significance level α = 0.025.

Q: What is the correct answer ? I have to show work.

A: Given Information: Sample size (n) = 22  Mean (u) = 12 Standard deviation (s) = 5.4

Q: Solve it now

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A: You need to know this before solving the question.

Q: How did you figure out the answers? Can you show your work

A: Doubt: How did you figure out the answers.

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