Exponential Probability

Suppose $X$ and $Y$ are independent exponential random variables, where $X$ has mean $\lambda$ and $Y$ has mean $2\lambda$.
Compute $P(X+Y\geq2)$.

Answer

Answers can be viewed only if
  1. The questioner was satisfied and accepted the answer, or
  2. The answer was disputed, but the judge evaluated it as 100% correct.
View the answer

1 Attachment

The answer is accepted.