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Random Variables and Distributions
Medium
Binomial Distribution Mean Variance Probability
Let
X
have a binomial distribution
B
(
n
,
p
)
such that the sum and the product of the mean and variance of
X
are 24 and 128 respectively. If
P
(
X
>
n
−
3
)
=
k
2
n
, then
k
is equal to :
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SELECT ONE OPTION
A
528
B
529
C
629
D
630
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