A card is drawn at random from a standard deck of cards. Find the probability of getting the following ( assume the drawn card is put back into the deck after each draw): a. Black card

In a standard deck of cards, there are 26 black cards (13 spades and 13 clubs) out of a total of 52 cards.

The probability of drawing a black card is therefore 26/52, which simplifies to 1/2.