Question: A sample of size n = 50 is drawn from a population whose standard deviation is = 26. a. Find the margin of error

A sample of size n = 50 is drawn from a population whose standard deviation is σ = 26.

a. Find the margin of error for a 90% confidence interval for μ.

b. If the sample size were n = 40, would the margin of error be larger or smaller?

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