Video lecture on How to solve Counting problems using combinations and distributions part1

This video lecture includes r-combination of a set with n element,
r-combination,Binomial coefficient,Pascal's identities,Vandermonde's
identities,The Binomial theorem,,Finite probability,The probability of
combination of events ,probabilistic reasoning,Probability thorey,
Assigning probability,Combination of events,Conditional probability,
Independence,Bernoulli rails and distribution,Random variable,
Expected value,Independent random variables,Variance,Average case
computational complexities and related problems etc.
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