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Shaalaa.com | Probability Mass Function
The probability mass function (p.m.f.) of X is given below:
|P (X= x)||1/5||2/5||2/5|
If X is a random variable with probability mass function
P(x) = kx , x=1,2,3
= 0 , otherwise
then , k=..............
- Probability Distribution - Expected Value, Variance and Standard Deviation of a Discrete Random Variable
- OR -