Let X Be an Exponential Random Variable With $\lambda$ = 250 Find the Following Probabilities

Essay

Let X be an exponential random variable with $\lambda$ = 2.50. Find the following probabilities.
a. P(X $\geq$ 1.5).
b. P(X $\leq$ 1).
c. P(0.25 $\leq$ X $\leq$ 0.78).
d. P(X = 0.41).