Final answer:
The probability of drawing a card of spade or a heart from a shuffled deck of playing cards is 1/2.
Step-by-step explanation:
The probability of drawing a card of spade or a heart from a shuffled deck of playing cards can be calculated as follows:
- There are 13 spade cards and 13 heart cards in a standard deck of 52 cards.
- Since the events of drawing a spade card and drawing a heart card are mutually exclusive, we can add their probabilities to find the probability of drawing either a spade or a heart.
- So the probability of drawing a card of spade or a heart is 13/52 + 13/52 = 26/52 = 1/2.