If the Random Variable X Is Exponentially Distributed with Parameter $$\lambda$$

Multiple Choice

If the random variable X is exponentially distributed with parameter $$\lambda$$ = 4, then the probability P(X $$\leq$$ 0.25) , up to 4 decimal places, is:

A) $0.6321$ .
B) $0.3679$ .
C) $0.2500$ .
D) None of these choices are correct.