If you don't specify the color, there are four of each card. So out of 52 cards there are four nines. Four out of 52 can be simplified into 1/13, which is about 8%.
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There are four nines in the deck of fifty two cards. Therefore your odds are 4 out of fifty two, or one out of thirteen. (4/52 = 1/13) chances of drawing a nine. The odds, then, of not drawing a nine is 48/52, or 12/13, or about 0.9231.
4/52 or 1/13 or 0.0769.
There are four 9's and 48 non-9's. The odds against a 9 is 48 to 4.
The probability of drawing a king or a nine from a standard deck of 52 cards is (4 + 4) in 52, or 8 in 52, or 2 in 13, or about 0.1538.
There are four 9's and four jacks. If you can use all of them, you can use 8 out of 52 cards. The probability of drawing one of these cards is therefore 8/52 = 0.1538 or a 15.38 % chance.