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| -rw-r--r-- | sem6/prob/m4/notes.tex | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sem6/prob/m4/notes.tex b/sem6/prob/m4/notes.tex index 227d8bc..330f12a 100644 --- a/sem6/prob/m4/notes.tex +++ b/sem6/prob/m4/notes.tex @@ -109,7 +109,7 @@ Then $X$ is the number of chosen blue marbles. \begin{definition} If $X \sim Hypergeometric(b,r,k)$ its PMF is: \[ - P_X(k) = \left\{ + P_X(x) = \left\{ \begin{array}{ll} \frac{\binom{b}{x} \binom{r}{k-x}}{\binom{b+r}{k}} & \mathrm{for} \: x \in R_X \\ 0 & \mathrm{otherwise} |