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Find cumulative probability for geometric (#857)
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Find cumulative probability for geometric (#857)
Use
P
(
X
≤
r
)
=
1
−
(
1
−
p
)
r
P(X \le r) = 1 - (1-p)^r
P
(
X
≤
r
)
=
1
−
(
1
−
p
)
r
.
