Question: Construct a 98% confidence interval to estimate the population mean when x=60 and s=12.2 for the following sample sizes: a .n=20b.n=40c.n=60

" "Construct a 98% confidence interval to estimate the population mean when x=60 and s=12.2 for the following sample sizes: a .n=20b.n=40c.n=60"

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