A man keeps birds in a big cage in his garden.
2
of the birds are brown.
5
4 of t...
![subject](/tpl/images/cats/mat.png)
Mathematics, 27.01.2021 15:50 applejulianamoreno
A man keeps birds in a big cage in his garden.
2
of the birds are brown.
5
4 of the birds are black.
The rest of the birds are white.
The man takes a bird out of the cage at random.
The probability that this bird is black is 0.2.
How many of the birds in the cage are white?
![ansver](/tpl/images/cats/User.png)
Answers: 2
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