Problem 43126. Probabilities - Balls and urns - 01

Created by Massimo Zanetti

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Last Solution submitted on Dec 23, 2021

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1 Comment

David Verrelli on 1 Dec 2017

The problem is ambiguously worded. The "number of red balls" is a constant, R, so it is unlikely to ever coincide with K (irrespective of the value of N). What should be found here is
"the probability that, after N trials, the number of observations of red balls is K".

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Problem 43126. Probabilities - Balls and urns - 01

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Problem 43126. Probabilities - Balls and urns - 01

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