negative binomial distribution
Word Rarity
Rare
Frequency: Zipf frequency 2.69 in modern English
39
Scrabble Score
28
Letters
9
Syllables
15
Unique Chars
Meaning
noun
A discrete probability distribution of the number of successes in a sequence of independent and identically distributed Bernoulli trials before a specified (non-random) number of failures (denoted r) occurs.