Consider the Sample mean, Xn. as an estimator of population mean, l. The Cenfal Lmit Theorem tells us that if n > 40, then u - ~N(0,1) a) Juppose that o is known and n>40. Derive a 95% confidence mterval for farm th

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Please help with derivation of the confidence interval. Thanks.
Consider the
as an estimator of population
mean, l. The Central Lmit Theorem
tells us that if n > 40. then
Xの一ル
Sample mean, Xn.
N (0,1)
a) Suppose that o is known
and n >40.
Derive a 95% confidence
mterval for u from the
above
expression
Transcribed Image Text:Consider the as an estimator of population mean, l. The Central Lmit Theorem tells us that if n > 40. then Xの一ル Sample mean, Xn. N (0,1) a) Suppose that o is known and n >40. Derive a 95% confidence mterval for u from the above expression
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