Question: If Z is a standard normal variable, find ()[1 < < 1 ] ()[2 < < 2 ] ()[3 < < 3 ] This is

If Z is a standard normal variable, find

()[1<< 1 ]

()[2<< 2 ]

()[3<< 3 ]

This is so-called "Empirical Rule", or "68-95-99.7 Rule"

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