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The failures-only convention counts only the number of failures before the r-th success, whereas the total-trials convention counts all trials. The failures-only variable is shifted by r compared to the total-trials variable.
Conditions: Comparing two different definitions of the negative binomial random variable.
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The failures-only convention counts only the number of failures before the r-th success, whereas the total-trials convention counts all trials. The failures-only variable is shifted by r compared to the total-trials variable.
Conditions: Comparing two different definitions of the negative binomial random variable.
6:00 – 7:32Watch this moment ↗