N Navyguy Junior Member Joined Jul 24, 2006 Messages 71 Jan 31, 2007 #1 For two sets E and F, suppose that n(E) = 30, n(F) = 25, and n(E intersection F) = 6. Find P(E/F). My answer is 6/30. Is this right? Thank you for your help.
For two sets E and F, suppose that n(E) = 30, n(F) = 25, and n(E intersection F) = 6. Find P(E/F). My answer is 6/30. Is this right? Thank you for your help.
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Jan 31, 2007 #2 I know that "P(E)" means "the probability of event E", but what is the meaning of the "n(E)" notation? When you reply, please include your work and reasoning. Thank you. Eliz.
I know that "P(E)" means "the probability of event E", but what is the meaning of the "n(E)" notation? When you reply, please include your work and reasoning. Thank you. Eliz.