Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probability of the stated event. A black 10 or 7 is drawn.
WOuld that be 1/26
3 answers
4/52 or 1/13
I believe it is 8/52 = 2/13
Each deck has 2 black 7's and 2 black 10's. That looks like 4 cards out of 52.