engineering recuitment BHEL Engineer Trainee Mock Test 2025 Communication Systems Probability and Random Variable Random Variables
The cumulative distribution function (CDF) of a random variable X is given by:
1
F(x) = P(X ≤ x)
2
F(x) = P(X ≥ x)
3
F(x) = P(X = x)
4
F(x) = P(X > x)