What is the probability that all 5 cards are diamonds?

The chances, in a standard deck, of having exactly 5 cards in the suit diamonds, is 0%, as 5 does not equal 13, isn't going to, won't "maybe" or "could be" or anything of the sort. If you did not mean "exactly" but rather "at least" then the chances would be 100%, as 5 or more will always be included in 13.

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Why does a deck of cards have 52?

The most common theory is that the 52 cards represent 52 weeks in a year. The four colors represent the four seasons. The 13 cards in a suit represent the thirteen weeks in each season, Four suits times 13 cards in a suite equals 52. In many decks, the queen of clubs holds a flower. Are there 10 cards? There are four Tens in a deck of cards. In the standard deck of cards, there are four suits ? spades, diamonds, hearts, and clubs. Each has a suit of 13 cards and in each suit, there is one Ten. In other words, there are four 10s, which are the 10 of hearts, 10 of spades, 10 of diamonds, and 10 of clubs.

Also, what is in a 52 deck of cards?

A "standard" deck of playing cards consists of 52 Cards in each of the 4 suits of Spades, Hearts, Diamonds, and Clubs. Each suit contains 13 cards: Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King. Modern decks also usually include two Jokers. Many solitaire card games are also playable with a standard deck. And another question, what is the probability of getting a heart or a diamond? A diamond or a heart: There are 13 diamonds and 13 hearts in a pack of 52 cards. Hence the probability of drawing a diamond or a heart is 13/52 or 1/4.

Regarding this, what is the probability of drawing a heart or a black card?

On a single draw from a deck of playing cards the probability of selecting heart is 1/4 the probability of selecting a black card is 1/2.