Timeline for What is this distribution?
Current License: CC BY-SA 4.0
7 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 5, 2018 at 7:50 | vote | accept | Kurisuto Asutora | ||
| Jul 4, 2018 at 22:42 | comment | added | kodlu | Given you have $k$ coupons the waiting time $W_k$ for the next coupon is has Geometric distribution with success probability $(M-k)/M$ and expectation $M/(M-k)$. Summing for $k=0,\ldots,M-1$ gives expected wait for all coupons as $M H_M=M(\ln M+\gamma).$ with the Euler-Mascheroni constant making an appearence. Due to independence of the $W_k$ the variance is also easy to obtain. | |
| Jul 4, 2018 at 18:46 | answer | added | Carlo Beenakker | timeline score: 3 | |
| Jul 4, 2018 at 18:36 | review | Close votes | |||
| Jul 6, 2018 at 17:20 | |||||
| Jul 4, 2018 at 18:31 | comment | added | Nate Eldredge | See forinstance sites.google.com/site/rbeeman976/home/collector | |
| Jul 4, 2018 at 18:27 | comment | added | Nate Eldredge | This is a version of the coupon collector's problem, so you'd probably find the answer in the related literature. | |
| Jul 4, 2018 at 18:05 | history | asked | Kurisuto Asutora | CC BY-SA 4.0 |