$$f(x) = ke^{-x^2 / 2} $$ from negative infinity to positive infinity. I know that in order to find the constant you integrate the pdf with the limits and set it equal to 1. Unfortunately I haven't figured how to integrate $$ e^{-x^2/2}$$.
2026-05-06 02:27:00.1778034420
Finding the unknown constant of a PDF
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