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| rev | Admin | (Created page with "'''Solution: C''' <math display = "block"> \begin{align*} \operatorname{P}(Z \leq 0.72) = 0.7642 = \operatorname{P}(X \leq 2000 ) = \operatorname{P}[Z \leq (2000-\mu)/\sigma]...") | May 3'23 at 1:56 | +721 |