So I'm a bit confused with this question. I think I have it right I just would like someone to verify that it's correct.

So there's 3 red, 5 blue and 2 white marbles in a bag. You select 3 marbles with replacement.

What is the Probability that you select at least 1 red marble?

So I think it should be set up like this:

P(At least 1 red marble)=1-P(No red marbles)=1-.7³ =.657

So I think the answer is .657 or 65.7% Can anyone check this to see if it's correct.

Also when you try to determine whether 2 things are independent of each or not. You can use P(A) x P(B) = P(AnB)

Then you solve it down to P(A) x P(B) = .4565 and P(AnB) = .4560 (given). Since there so close can you say they're independent or do they have to be exactly equal to one another.