There are 4.
There are 4 fives and 26 black cards in a standard deck.
The probability is 1. It must be "a red or black card".
It is 6/26 = 3/13
The probability of choosing a red or black card from a standard deck of 52 cards is 52 in 52, or 1 in 1. In other words, it will happen no matter what.
4 in a deck of 52, 2 red, 2 black
There are 4.
There are 26 different ways of selecting a black card from a standard deck of 52 cards.
Probability of drawing a black 7 from a standard 52-card deck is 2/52 or 1/26.
There are 4 fives and 26 black cards in a standard deck.
The probability is 1. It must be "a red or black card".
It is 6/26 = 3/13
The probability of choosing a red or black card from a standard deck of 52 cards is 52 in 52, or 1 in 1. In other words, it will happen no matter what.
Excluding jokers, the probability is 1 in 2.
None; a standard 52-card deck has two red queens and two black queens.
The probability is 0.
To the best of my knowledge, a standard deck of playing cards only has black and red cards, so the odds are zero.