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Approximate binomial by normal (#877)
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Approximate binomial by normal (#877)
Use
μ
=
n
p
\mu = np
μ
=
n
p
,
σ
=
n
p
(
1
−
p
)
\sigma = \sqrt{np(1-p)}
σ
=
n
p
(
1
−
p
)
with continuity correction.
