Ask your own question, for FREE!
Mathematics 46 Online
OpenStudy (anonymous):

If P(A or B) = 0.5, P(A) = 0.2 and P(B) = 0.7, determine P(A and B). 0.10 0.35 0.40 0.90

OpenStudy (zarkon):

.5=.2+.7-P(A and B) so P(A and B)=.2+7.-.5=.9-.5=.4

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!
Latest Questions
Arriyanalol: what's a non fiction book
1 hour ago 8 Replies 1 Medal
Arriyanalol: what is 67
2 hours ago 3 Replies 1 Medal
Arriyanalol: how did Charlie Kirk die
5 hours ago 2 Replies 1 Medal
Arriyanalol: is these correct
5 hours ago 7 Replies 0 Medals
gelphielvr: Is it possible to read a 400 page verse book in 1 hour?
4 hours ago 31 Replies 3 Medals
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!