probabilty

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June 14, 2016 - 2:26pm
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Raymart Camino
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probabilty

among 10000 random digits, find the probabilty that the 3 appers at most 950 times.
please help, thank you.

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September 12, 2016 - 10:47pm
Infinitesimal
Infinitesimal's picture

By binomial distribution, the probability is

$1 - \displaystyle{\sum_{n=951}^{1000} \left(\dfrac{1}{10}\right)^n \left(\dfrac{9}{10} \right)^{1000-n}}$

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