Assuming random sampling is from a normal distribution with


1. Assuming random sampling is from a normal distribution with standard deviation σ = 5, if you get a sample mean of X¯ = 45 based on n = 25 participants, what is the 0.95 confidence interval for µ?

1. Repeat the previous example, only compute a 0.99 confidence interval instead.

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Basic Statistics: Assuming random sampling is from a normal distribution with
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