Answer
$\frac{1}{13}$
Work Step by Step
In the sample space for exercise $1$, we can see that there is only $1$ Ace which can be drawn out of $13$ possible outcomes.
So, we know that the formula for probability is $P=\frac{n}{s}$ as mentioned in the textbook examples.
We can use this formula to find the probability that an ace will be drawn!
$P=\frac{n}{s}$
$P=\frac{1}{13}$