Answer:
11/12
Explanation:
Let's go:
Liz doesn't wear white dress and shoes. But If she want's, she does white dress and another shoes, like blue. That's possible.
It's only option who Liz doesn't wear: are both white.
4 × 3 = 12
Then, the probability of wearing dress and shoes both white is 1/12.
So, the probability of don't wear dress and shoes both white is:
12/12 - 1/12 = 11/12
I hope I've helped you.
I hope you've understood, too.