Playing Cards Multiples of 3

You can observe the situation when pulling one of the 52 playing cards.

You can observe the situation when pulling one of the 52 playing cards excluding the joker.

What is the percentage of playing cards that are multiples of 3 ?

If you have conducted many experiments to find the ratio of playing cards that are multiples of 3 , what can you say if you draw more playing cards in each experiment than when you draw fewer cards ?

Also , let's mathematically find the probability of draw a playing card that is a multiple of 3.