Let $f(x)=\frac{2 c}{\left(1+x^{2}\right)}$ a) For what value of c is f a probability density function?
b) For that value of c, find P (-1

Name: Let $f(x)=\frac{2 c}{\left(1+x^{2}\right)}$ a) For what value of c is f a probability density function? b) For that value of c, find P (-1 < X < 1).
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Question

Let $f(x)=\frac{2 c}{\left(1+x^{2}\right)}$ a) For what value of c is f a probability density function?
b) For that value of c, find P (-1 < X < 1).

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The Answer of Let $f(x)=\frac{2 c}{\left(1+x^{2}\right)}$ a) For what value of c is f a probability density function?
b) For that value of c, find P (-1 < X < 1).

Let f(x)=2c(1+x2)f(x)=\frac{2 c}{\left(1+x^{2}\right)}f(x)=(1+x2)2c​ A) for What Value of C Is F a Probability

Let $f(x)=\frac{2 c}{\left(1+x^{2}\right)}$ A) for What Value of C Is F a Probability