The probability of drawing a jack and a king in that order from a standard deck is: P(J,K)
=
(4/52)∙(4/51) =
0.006033... ~ 0.006 ~ 0.6%
The probability of drawing a jack and a king in any order is twice the above:
P((J,K)
or (K,J)) =
0.0112066... ~ 0.011
~ 1.1%
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The probability of drawing a jack is, P(J) = 1/13.The probability of drawing a queen is, P(Q) = 1/13.The probability of drawing a king is, P(K) = 1/13.The probability of drawing a jack or drawing a queen or drawing a king is;P(J or Q or K) = 1/13 + 1/13 + 1/13 = 3/13 = 0.23076923... ≈ 23.1%.
It is 8/13.
Probability of Jack being drawn is 4/52 since there are 4 Jacks and 52 cards in the deck. Also, the probability of drawing a Queen and King is 4/52. So, if you draw one card from a normal deck of cards the probability of drawing a jack or queen or king is 4/52 + 4/52 + 4/52 = 12/52 or 3/13 or 0.2308.
The probability of drawing a king is 4:52The probability of drawing a diamond is 13:52 (or 1:4)The probability of drawing a king (0.07692...) then replacing that king into the deck then drawing a diamond is 0.019230769.If you leave the king out, the probability will be slightly greater (4/52) * (13/51)Unless the king you left out of the deck was a king of diamonds, in which case, the probability would be (4/52) * (12/51)
Since there are four jacks in a deck of 52 cards and, likewise, four "fives", the odds of drawing either a jack or a "five" are 8/52 or two in thirteen. The probability of drawing a Jack is one in thirteen. The probability of drawing a "five" is one in thirteen.