Ask your own question, for FREE!
Mathematics 16 Online
OpenStudy (anonymous):

Probability ,a bag contains 7 white and 9 black balls ,two balls are drawn,then probability getting white and black?

OpenStudy (anonymous):

If must be white and then black, without replacement p= (7/16)(9/15) if either order is ok, then add to this p=(9/16)(7/15), which doubles the first one.

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!