Justin has a deck of cards with letters on them. The table below shows the results of justin randomly drawing a card,putting it back,shuffling the deck,and randomly drawing another card many times.

Letter of card/frequency
A/15
E/19
I/13
O/8
U/6

Based on the information,which of the following is the best estimate of the probability of drawing the letter E on any random draw

1/5,1/4,1/3, or 1/2