Question

a bag has 4 white and 3 black balls.two balls are drawn random.what is the probability of getting a white and a black (not necessarily in that order) without replacement ??
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Answer 1

Step-by-step explanation:

4 white balls+1 ball=5 white balls.

3 black balls+1 ball=4 black balls.

Answer 2

Answer:

if 1 drawn of white balls

3/4

if 2 drawn of white balls

2/4

if 1 drawn of black balls

2/3

if 2 drawn of black balls

1/3

Step-by-step explanation:

hope it helps u....