mneeti wrote:
jimmyjamesdonkey wrote:
Still not coming out right....
Now getting
(15/21)(6/20) + (15/21)(14/20) = 60/84. Anyone explain this?
Now getting
(15/21)(6/20) + (15/21)(14/20) = 60/84. Anyone explain this?
Can anyone explain why and how this approach is wrong? Thanks!
It should be:
P(first interested in banking)*P(second is not)+P(first is not interested)*P(second is)+P(both are interested)
\frac{15}{21}*\frac{6}{20}+\frac{6}{21}*\frac{15}{20}+\frac{15}{21}*\frac{14}{20}=\frac{13}{14}.