Random variable: Let S be the sample space associated with a given random experiment.
Then, a realvalued function X which assigns a unique real number X(w) to each w ∈ S, is called a random variable.
A random variable that can assume only a finite number of values is called a discrete random variable.
Probability distribution: If a random variable X takes values with respective probabilities , then,
is known as the probability distribution of X.
Mean:
Variance:
Standard deviation:
Q Probability Distribution 1 Q Probabilitydistribution 2 Q Probabilitydistribution 3 Q Probabilitydistribution 4
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Differential Equations (Set 1)  
Differential equations (Set 2)  
Integration  
Probability 
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