Source: J. Appl. Probab. Volume 46, Number 4
(2009), 1201-1208.
In an infinite sequence of independent Bernoulli trials with
success probabilities
pk=a/(a+b +k-1)
for
k=1,2,3,...,
let Nr be the number of
r≥2
consecutive successes.
Expressions for the first two moments of
Nr
are derived.
Asymptotics of the probability of no occurrence of r consecutive
successes for large r are obtained. Using an embedding in a
marked Poisson process, it is indicated how the distribution of
Nr can be calculated for small r.
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