There isn't equal likelihood of customers downloading shorter books and longer ones. (chrismcmullen.com)
When the empirical results allow with equal likelihood all values higher than some limiting value, the measurements can not give any upper limit. (climateaudit.org)
This approximates how many borrows you would have had without the introduction of Kindle Unlimited (assuming roughly equal likelihood of borrows on any day throughout the month). (chrismcmullen.com)