Ask your own question, for FREE!
Mathematics
OpenStudy (anonymous):

30 balls : 10 white, 10 black, 10 red. Find the probability of taking out 2 balls of different colors without repetition.

OpenStudy (studygurl14):

are the balls put back after drawing or not?

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!