engineering recuitment GATE ME 2023-24 Test Series Engineering Mathematics Probability and Statistics Random Variables Basics
Consider the following probability density function defined as,
\({f_x}\left( x \right) = \frac{1}{\pi }\left( {\frac{1}{{1 + {x^2}}}} \right)\)
Which of the following is true regarding this PDF?
1
Valid probability density function
2
fx(x) < 0
3
Invalid probability density function
4
Can't say