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Poisson distribution
noun
(statistics)
Any
of
a
class
of
discrete
probability
distributions
that
express
the
probability
of
a
given
number
of
events
occurring
in
a
fixed
time
interval,
where
the
events
occur
independently
and
at
a
constant
average
rate;
describable
as
a
limit
case
of
either
binomial
or
negative
binomial
distributions.
distribution lot
noun
distribution server
noun
temporal distributive
adj
distribution-free
adj
Maxwell-Boltzmann distribution
noun
(physics,
statistical
mechanics)
A
particular
probability
distribution
originally
defined
and
used
for
describing
particle
speeds
in
idealized
gases.
Mathematically,
it
is
the
chi
distribution
with
three
degrees
of
freedom
(the
components
of
the
velocity
vector
in
Euclidean
space),
with
a
scale
parameter
measuring
speeds
in
units
proportional
to
the
square
root
of
the
ratio
of
temperature
and
particle
mass.
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