Question: I need explanation please. About -2 ( rounded to two decimal places ) of the area under the curve of the standard normal distribution is

I need explanation please.

About -2 ( rounded to two decimal places ) of the area under the curve of the standard normal distribution is outside the interval E = [ - 1.31 , 1, 31 1 beyond 1.31 standard clevrations of the mean If P ( - b

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