Answer
Probability of card being a diamond
= $\frac{1}{4}$
Work Step by Step
Total number of outcomes when dealing a card from card deck = 52
Total number of favorable outcomes when dealt card is a diamond = 13
When a card is dealt from 52 cards, the probability of card being a diamond = $\frac{13}{52}$
= $\frac{1}{4}$
