Probability Distribution Mean Standard Deviatio… | ExamDuo
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Random Variables and Distributions
Hard
Probability Distribution Mean Standard Deviation
Let the mean and the standard deviation of the probability distribution
X
α
1
0
-3
P(X)
1/3
K
1/6
1/4
be
µ
and
σ
, respectively. If
σ
−
µ
=
2
, then
σ
+
µ
is equal to ______.
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