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Answer in Statistics and Probability for Yeee #248980

Author:
October 24th, 2022

“n=50 \nnbar{x}=34.3 \nnsigma = 8”

Two-sided confidence interval:

“CI = (bar{x} – frac{Z_c times sigma}{sqrt{n}}, bar{x} + frac{Z_c times sigma}{sqrt{n}})”

For 98 % confidence interval

“Z_c=2.326 \nnCI = (34.3 – frac{2.326 times 8}{sqrt{50}}, 34.3 + frac{2.326 times 8}{sqrt{50}}) \nn=(34.3 -2.63, 34.3 + 2.63) \nn= (31.67, 36.93)”

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