Question: I need help with #5. I'm confused with whether i'm doing it correctly. Sample Mean (Y bar) = 5 Sample Variance (S^2) = 2.5 Sample

I need help with #5. I'm confused with whether i'm doing it correctly. Sample Mean (Y bar) = 5 Sample Variance (S^2) = 2.5 Sample Size (n) = 20 C.I. = 95% (1.96 after calculating) Am I just using the standard error equation, Sigma/sqrt(n) Since my target parameter is Mu?

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