It is 1/13.
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50%
Assuming a 52 card deck, 4 jacks / 52 cards or probability of 4/52 or 1/13 or 0.077.
7.124%, or 1 in 14
Assuming a 52 card deck, 4 jacks / 52 cards or probability of 4/52 or 1/13 or 0.077.
There are 52 cards in a pack of playing cards (excluding jokers). The chance of drawing at random a black card from a full pack of cards is 1/2, or 0.5. There are now 51 cards in the pack, two of which are red kings. The probability of drawing a red king from this pack is 2/51. 0.5 x 2/51 = 0.01960784 So, the probability is approximately 0.0196, or 1.96%.