Probability Mass Function Constant (Jee Mains) | ExamDuo
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Random Variables and Distributions
Medium
Probability Mass Function Constant
If the function :
P (X = x) = Kx ; for x = 1 , 2 , 3 , 4
= 0 ; otherwise
is a probability mass function (p.m.f) ,
then k equals :
SELECT ONE OPTION
A
1
9
B
1
10
C
1
12
D
1
15
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