probabiity

Question

an experiment consists of selecting a card at random from 52 card deck, find the probability of the event.  A diamond or a king is drawn.  A red face card is drawn.

Answer 1

part 1...

13 diamonds+3 kings (the king of diamonds is included in the 13 diamonds and you can't count it twice)

16/52=4/13

or...

13 diamonds+4 kings-1 king of diamonds=16 again

 

part 2...

jack of hearts, jack of diamonds, queen of hearts, queen of diamonds, king of hearts, king of diamonds

6/52=3/26