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The probability of picking a diamond out of a standard deck of 52 cards is 13 in 52, or 1 in 4, or 0.25.

Q: What is the probability of picking a diamond out of a 52 card deck of cards?

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number of cards in a deck =52 number of cards that are heart =13 number of cards that are diamond =13 Probability that the card drawn is a heart or a diamond=13/52 +13/52 =26/52 or 1/2

1/52. Only one card, the Jack of diamonds, will satisfy your requirements.

The probability of picking one red card of a deck of 52 playing cards is 26 out of 52, or 1 out of 2.

The probability of drawing a diamond is a standard deck of 52 cards is 13 in 52, or 1 in 4, or 0.25.

number of cards in a deck =52 number of cards that are not diamond =39 Probability that the card drawn is not a diamond= 39/52 = 3/4

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number of cards in a deck =52 number of cards that are heart =13 number of cards that are diamond =13 Probability that the card drawn is a heart or a diamond=13/52 +13/52 =26/52 or 1/2

1/52. Only one card, the Jack of diamonds, will satisfy your requirements.

The probability of picking one red card of a deck of 52 playing cards is 26 out of 52, or 1 out of 2.

The probability of drawing a diamond is a standard deck of 52 cards is 13 in 52, or 1 in 4, or 0.25.

3 out of 13

number of cards in a deck =52 number of cards that are not diamond =39 Probability that the card drawn is not a diamond= 39/52 = 3/4

The probability that a single card, drawn at random, is a 9 is 1/13.

If it is an ordinary pack of playing cards then the probability is 0.5

12/52nd

To determine the probability of picking 3 cards of one suit and 1 card of another in a standard 52 card deck, consider each card one at a time. The probability of picking a card in any suit is 52 in 52, or 1. Since there are now only 12 cards in the first suit, the probability of picking a card in the same suit is 12 in 51, or 4 in 17, or 0.2353. Since there are now only 11 cards in the first suit, the probability of picking a card in the same suit is 11 in 50, or 0.22. Since there are still 39 cards in the remaining three suits, the probability of picking a card in a suit different than the first is 39 in 49, or 0.7959. The probability of picking 3 cards of one suit and 1 card of another in a standard 52 card deck is, therefore, the product of the probabilities of each card, or (52 in 52) (12 in 51) (11 in 50) (39 in 49), or 267696 in 6497400, or 0.0412, or about 1 in 25.

1/52

It is 3/13.