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what is the probability that a card drawn randomly from a standard deck of 52 cards is a black seven?

Sagot :

In a standard deck of 52 cards, there is 4 cards "seven", 2 of them are red and 2 are black.

So, from the 52 cards, only 2 are black seven. Thus, the probability will be the 2 we want to draw over all the possibilities, that is, 52:

[tex]\frac{2}{52}=\frac{1}{26}\approx0.03846=38.46\%[/tex]