I really need to know the tight bounds of following series.
Suppose $$r>l \\ q<1$$ Is there any tight bound base on $l$ parameter?
$$\sum_{i=0}^{l}{r \choose i} q^{i}{(1-q)}^{r-i}$$
2026-04-01 17:02:14.1775062934
Binomial distribution sum inequality
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