事前 じぜん確率 かくりつ分布 ぶんぷでしょう
jizenkakuritsubumpudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 事前確率分布

1. Prior probability distribution; Likely a prior distribution

Polite
Presumptive
Conjecture
Mathematics