Statistics and Probability

All the jacks, queens and kings are removed from a deck of 52 playing cards. The remaining cards are well shuffled and then one card is drawn at random. Giving ace  a  value  1  similar  value  for  other  cards,  find  the  probability  that  the  card has a value

(i) 7 (ii) greater than 7 (iii) less than 7