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Random Variablesmedium
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Let XXX be a continuous random variable with probability density function f(x)=c⋅e−x2/2f(x) = c \cdot e^{-x^2/2}f(x)=c⋅e−x2/2 for −∞<x<∞-\infty < x < \infty−∞<x<∞. What is the value of the constant ccc that makes this a valid PDF?