Question

what's the probability and the deck of cards have 52 cards what's the probability of picking a black card

Answer 1

N(S) = 52
n(A) = 2 * 13 = 26  black cards
$P(A) =\frac{n(A)}{n(S)}=\frac{26}{52}=\frac{1}{2}$

Answer 2

There is a 26 percent chance of picking one since there are only 2 colors black and red