1
$\begingroup$

I have two exponentially distributed independent random variables A and B.

The expectations of $A$ and $B$ are $2$ and $1$ respectively

What is the probability that $B > A$?

$\endgroup$

closed as off-topic by StubbornAtom, lulu, JMoravitz, Foobaz John, NCh Feb 19 at 2:25

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – StubbornAtom, lulu, JMoravitz, Foobaz John, NCh
If this question can be reworded to fit the rules in the help center, please edit the question.

  • 2
    $\begingroup$ Have you written down the joint density? $\endgroup$ – ncmathsadist Feb 18 at 17:05
  • $\begingroup$ I'm not sure how I would go about doing that, could you help? $\endgroup$ – joebloggs Feb 18 at 17:28
  • $\begingroup$ Strange that this question appeared just before $\endgroup$ – Foobaz John Feb 18 at 17:37
  • $\begingroup$ And this question also appeared recently. What is the source of this question? $\endgroup$ – lulu Feb 18 at 17:44

Browse other questions tagged or ask your own question.