Cumulative Density Function \( \mathrm{F}(\mathrm{x}) \) of a continuous random variable X is defined as:
The cumulative distribution function gives the probability that X takes a value up to \(x\):
\(F(x) = P(X \le x) = \int_{-\infty}^{x} f(t)\,dt\)
where \(f\) is the probability density function.
Option (C) always equals 1, and (D) is always 0 for a continuous variable.
Answer: (A)
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