User blog comment:Kitahara/Recording drum expedition success rates/@comment-25730832-20150602170013

Update - And contradiction

According to Kitahara's base rate of 29.11% for Expedition 21 with max drums and Flon's 38% rate; I will be adding another 50 runs to my already existing 50 runs of Expedition 21 with 15 drums. Apparently, I was able to get ~48% rate out of it but that doesn't seem to work out with you guys so I'll try adding in bigger sample size to test it out.

That aside, I did made runs with 12 drums for Expedition 37 and 38 for 50 runs each, which gave me

Expedition 37 (12 drums) - 50 runs = 26/50 = 52% Rate

Expedition 38 (12 drums) - 50 runs = 27/51 = ~53% Rate

For Expedition 21, it is still running at:

Expedition 21 (12 drums) -22 runs = 13/29 = ~45%

All three I'm considering adding another 50 runs to each to reduce possible error like what happened above.