Lucy has a deck of 52 cards with four suits spades, diamonds and clubs. Each suit has cards numbered one through 13. What is the compliment of her not picking a four form on the deck of cards the answer should be a fraction remember to simplify.

There are 4 fours in a deck of 52 cards.

Therefore, the probability of not picking a four from the deck of cards is:

1 - (4/52) = 1 - 1/13 = 12/13

So, the compliment of not picking a four from the deck of cards is 12/13.