Question: A sample of size n = 32 is drawn from a population whose standard deviation is = 12.1. a. Find the margin of error

A sample of size n = 32 is drawn from a population whose standard deviation is σ = 12.1.

a. Find the margin of error for a 99% confidence interval for μ.

b. If the confidence level were 90%, would the margin of error be larger or smaller?

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