A log-concavity property of probability of occurrence of exactly r arbitrary events
For a collection of n arbitrary events, we derive a sufficient condition for the log-concavity property of the sequence of probabilities of occurrence of exactly r events. For the special case of independent events, this sufficient condition is shown to be satisfied. Further, some dependence structures where this sufficient condition holds are examined.
Volume (Year): 16 (1993)
Issue (Month): 3 (February)
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