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Пишет curlysue (![[info]](http://lj.rossia.org/img/userinfo.gif){kind=small} curlysue)@ 2013-07-17 22:28:00 |
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вопрос
Ответьте, пожалуйста, на этот вопрос, и объясните, пожалуйста, ваш ответ.
In a forest 20% of mushrooms are red, 50% brown and 30% white.
A red mushroom is poisonous with a probability of 20%. A mushroom that is not red is poisonous with a probability of 5%.
What is the probability that a poisonous mushroom in the forest is red?
Ответьте, пожалуйста, на этот вопрос, и объясните, пожалуйста, ваш ответ.
In a forest 20% of mushrooms are red, 50% brown and 30% white.
A red mushroom is poisonous with a probability of 20%. A mushroom that is not red is poisonous with a probability of 5%.
What is the probability that a poisonous mushroom in the forest is red?
