N Navyguy Junior Member Joined Jul 24, 2006 Messages 71 Aug 4, 2006 #1 Sample space: {A, B, C, D} P(A) = 0.2, P(B) = 0.2, P(C) = 0.15, P(D) = 0.45 Then P(B, C, D) = _____ if you add the probabilities for B,C, and D, you get 0.80, this is my answer. Is this right? Thanks for checking my answer.
Sample space: {A, B, C, D} P(A) = 0.2, P(B) = 0.2, P(C) = 0.15, P(D) = 0.45 Then P(B, C, D) = _____ if you add the probabilities for B,C, and D, you get 0.80, this is my answer. Is this right? Thanks for checking my answer.
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,325 Aug 4, 2006 #2 See, now you switched notation. There is an easier way. Pr(B,C,D) = 1 - Pr(A) OK, these are too easy. Stop second guessing yourself.
See, now you switched notation. There is an easier way. Pr(B,C,D) = 1 - Pr(A) OK, these are too easy. Stop second guessing yourself.
