Recent content by JoskeJos

I checked the PDF and everything cleared up. Thank you for your time and help. Btw I did mean factorial :-)

Hey chiro, sorry for my late reply (I've been really busy). First and foremost thanks for your reply. For question a: λ = 1/4 X, Y -> λe-λt X+Y = ((λt)^(2-1) / (2-1)!)* λe-λt P(X+Y <7) = integral of 0 to infinity of (X+Y) Is this what you meant? For question b, can't I solve this by normal...

Hello forum, I recently lost my notes on this matter, so I hope someone can fill in the gaps in my memory. The problem I am working on is the following: For one ticket window, the waiting time for one people satisfies an exponential distribution λe-λt and expected waiting time is 4 min...