I iutzwig New member Joined May 26, 2012 Messages 1 May 26, 2012 #1 Can anyone assist me with the following Stats problem? If P(E) = 0.5, P(E of F) = 0.70 and P (E and F) = 0.05, find P(F)
Can anyone assist me with the following Stats problem? If P(E) = 0.5, P(E of F) = 0.70 and P (E and F) = 0.05, find P(F)
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,203 May 26, 2012 #2 I am pretty sure that should be P(E OR F), not P(E OF F) Note that \(\displaystyle P(E \;\ or \;\ F)=P(E)+P(F)-P(E \;\ and \;\ F)\) Plug in your givens and solve for P(F). Simple arithmetic.
I am pretty sure that should be P(E OR F), not P(E OF F) Note that \(\displaystyle P(E \;\ or \;\ F)=P(E)+P(F)-P(E \;\ and \;\ F)\) Plug in your givens and solve for P(F). Simple arithmetic.
B biffboy New member Joined May 3, 2012 Messages 21 May 27, 2012 #3 iutzwig said: Can anyone assist me with the following Stats problem? If P(E) = 0.5, P(E of F) = 0.70 and P (E and F) = 0.05, find P(F) Click to expand... Drawing a Venn diagram is a good way of doing that one
iutzwig said: Can anyone assist me with the following Stats problem? If P(E) = 0.5, P(E of F) = 0.70 and P (E and F) = 0.05, find P(F) Click to expand... Drawing a Venn diagram is a good way of doing that one
