<p>So, just to be clear, it appears that <a href="https://stats.stackexchange.com/questions/21914/calculating-total-probabilities-from-a-poisson-random-variable#comment39601_21917">this comment</a> is what you are taking as an answer.</p>

<p>A good way to close out a situation like this is to post your own answer incorporating (and even referencing) the comment and then accept that answer.</p>

<p>Thanks for your concern about the quality of our site!</p>
