A random sample of $n = 144$ measurements was selected from a population with unknown mean $\mu$ and standard deviation $\sigma$. Calculate a $90 \%$ confidence interval if $\bar { x } = 3.55$ and $s =$ 49

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The Answer of A random sample of $n = 144$ measurements was selected from a population with unknown mean $\mu$ and standard deviation $\sigma$. Calculate a $90 \%$ confidence interval if $\bar { x } = 3.55$ and $s =$ 49

A Random Sample Of n=144n = 144n=144 Measurements Was Selected from a Population with Unknown Mean

A Random Sample Of $n = 144$ Measurements Was Selected from a Population with Unknown Mean