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  3. approximate ?(68.5 < ?Ì… < 71.5) when ?Ì

Approximate ?(68.5 < ?Ì… < 71.5) when ?Ì… is the mean of a random sample of...

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Basic Math

Approximate ?(68.5 < ?Ì… < 71.5) when ?Ì… is the mean of arandom sample of size 12 from a distribution with ? = 70 andvariance of 75.

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