[All Steps] A sample of 63 college students yields a mean annual income of $3029. Assuming that σ=,) 809$, find the margin of error in estimating
Question: A sample of 63 college students yields a mean annual income of $3029. Assuming that \(\sigma=\\) 809$, find the margin of error in estimating \(\mu\) at the \(99 \%\) level of confidence.
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