| Line 1: | Line 1: | ||
| − | If Independent then P(H)*P(T)=P(H∩T) | + | If Independent then P(H)*P(T)=P(H∩T) |
| − | Sample Case: One flip of coin | + | Sample Case: One flip of coin |
| − | P(H)=0.5 | + | P(H)=0.5 |
P(T)=0.5 | P(T)=0.5 | ||
P(H∩T)=0 (You can't have both H and T in one flip) | P(H∩T)=0 (You can't have both H and T in one flip) | ||
| − | (0.5)*(0.5)≠0 | + | (0.5)*(0.5)≠0 |
Not independent | Not independent | ||
Revision as of 20:07, 4 March 2009
If Independent then P(H)*P(T)=P(H∩T)
Sample Case: One flip of coin
P(H)=0.5 P(T)=0.5 P(H∩T)=0 (You can't have both H and T in one flip)
(0.5)*(0.5)≠0 Not independent
