Problem 43126. Probabilities - Balls and urns - 01

The urn contains B blue balls and R red balls. Each trial consists of drawing one random ball from the urn and observing its color. Then the ball is placed back in the urn.
What is the probability that, after N trials, the number of times a red ball is observed is K?

Solution Stats

35.29% Correct | 64.71% Incorrect
Last Solution submitted on Feb 02, 2023

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