Answer:
0.006%.
Step-by-step explanation:
In a standard deck of cards, there should be four 4 cards and four king cards. We first want the probability of selecting a 4 card, which is just
[tex]$\frac{4}{52}.$[/tex]
Then we want it for the king card, but since we didn't replace the first card, we only have 51 cards left. This implies our probability is
[tex]$\frac{4}{51}.$[/tex]
Now, all we have left is to multiply the two fractions and divide by the denominator:
[tex]$\frac{4}{52} \cdot \frac{4}{51} = \frac{16}{2652} = \frac{4}{663} = 0.006.$[/tex]
