Why does an answer not work

Schinb65

New member
Joined
Aug 27, 2013
Messages
2
A pair of dice is tossed 10 times in succession. What is the probability of observing no 7's or 11's in any of the 10 tosses.
Each toss no 7 or 11 is (28/36) of no 7 or 11. So the answer is (28/36)^10.
So i should be able to say that 7 or 11 is (8/36).
Why does 1- (8/36)^10 not work?
 
Top