Answer
Probability of card being a queen = $\frac{1}{13}$
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 queen = 4 (There are 4 queens)
When a card is dealt from 52 cards, the probability of card being a queen
= $\frac{4}{52}$
= $\frac{1}{13}$