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 place​

Answer 1

Answer:

Probability=  

Number of possible outcomes

Number of favorable outcomes

There are 3 favorable outcomes (the 3 black cards).

There are 10 possible outcomes (the 3 + 7 = 3+7= 10 cards).

P(draw a black card)= 3/10

                                  =0.3

Step-by-step explanation:

hopes it helps you

Answer 2

Answer: You draw a card at random from a deck that contains

3

33 black cards and

7

77 red cards.

What is

P(draw a black card

)

P(draw a black card)start text, P, left parenthesis, d, r, a, w, space, a, space, b, l, a, c, k, space, c, a, r, d, end text, right parenthesis?

If necessary, round your answer to

2

22 decimal places.

Step-by-step explanation: