Since there are 13 spades and 52 cards, the probability is 13/52 or 1/4=.25
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The probability of drawing a red spade is zero. There are no red spades in a standard deck.
1/4
The probability of drawing a spade from a standard deck of 52 cards is 13 in 52, or 1 in 4, or 0.25.
The answer depends on how many cards are drawn. If you draw 40 cards, the probability is 0. The probability of not drawing a spade in a random draw of one card from a standard deck is 39/52 = 3/4.
Number of cards in a deck = 52 Number of cards that are spade = 13 Number of cards that are heart = 13 Probability that the card drawn is a spade and heart = 13/52 + 13/52 = 26/52 or 1/2