400bhp
Guru
Is it an interquartile range, a 90% symmetric confidence interval, an absolute 100% guarantee? And how accurate your scoops are? Does the scoop have to be absolutely level or will slightly heaped do? How do you allow for the fact that a hydrophilic product will gradually get denser over time?
Can't believe you didn't comment on "because caffeine in other coffee is random"
Srsly dude. Random