Talk:Kara no Kyoukai Collaboration Event Re-run/@comment-213.162.68.116-20180216141113/@comment-34208015-20180216174411

@MaiNoKen, I don't know where you got these number 66% sucess rate for 600 SQ (aka 200 roll) by that completly wrong.

For 600 SQ the probability to get the rate up servant is about 87% see binomial distribution (cumulative distribution function) 66% chance should be for about 300~350 SQ (I haven't done the calculation).

Failing with almost 90% sucess rate, is what personally call "bad luck".