Question

You draw a card at random from a deck that contains 3 black cards and 7 red cards.

What is P ( Draw a black card)?
If necessary, round your answer to 2 decimal places.

Answer 1

The answer is 3/10

Explanation:

There are 3 black cards and the total number of cards is 10

Answer 2

There are 10 cards in total because 3 + 7 = 10
Because there are 3 black cards, the probability of drawing a black card would be 3/10.