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)?

Answer 1

Respuesta:

P=$\frac{3}{10}$

Explicación paso a paso:

There are 10 cards (possible cases)

3 cards are black (probable cases)

$P=\frac{probable cases}{possible cases}$