Assume a normal distribution with known population variance. Calculate the confidence interval for the population mean a

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answerhappygod
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Assume a normal distribution with known population variance. Calculate the confidence interval for the population mean a

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Assume a normal distribution with known population variance.
Calculate the confidence interval for the population mean assuming
the sample mean is 255, N=304, σ=30 and α=0.01. [250 ; 269] [249 ;
259] [240 ; 249] [250 ; 259]
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