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Abstract
We give unified simple proofs of some binomial identities, by using an elementary identity on moments of random variables.
ACKNOWLEDGMENTS
The authors would like to thank the referees and the editors for their careful reading of the manuscript and for their suggestions, which greatly improved the final outcome. This work was supported by research grants MTM2015-67006-P, DGA (E-64), and by FEDER funds.
Additional information
Funding
This work was supported by research grants MTM2015-67006-P, DGA (E-64), and by FEDER funds.