MATH Prob.
posted by Twg on .
A box contains two black balls and three gold balls. Two
balls are randomly drawn in succession from the box.
a. If there is no replacement, what is the probability
that both balls are black?
b. If there is replacement before the second draw, what
is the probability that both balls are black?

What is your thinking here?

What do you mean?

I will be happy to critique your thinking, but reluctant to do it for you.

I am not understanding this at all!!! I have read over my material for this class & I still don't get it!! Can someone PLEASE help me?!!!!?????

Look into the text book and search for pobability in box array. create one and then give the answers