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A box contains 5 brown and 7 black pebbles. What is the probability of drawing a brown pebble if the first pebble drawn is black? The balls drawn are not replaced in the box.

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MCQs on conditional probability, independent events, probability multiplication theorem, bayes theorem, random variables and its probability distributions, bernoulli trials and binomial distribution.


A box contains 5 brown and 7 black pebbles. What is the probability of drawing a brown pebble if the first pebble drawn is black? The balls drawn are not replaced in the box.






 
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