miamivince
New member
- Joined
- Jan 25, 2013
- Messages
- 23
Jon has to pass 10 independent tests. His boss said that if he passes the previous n-1 tests, the chance of getting the next one incorrect are
1 /11 - n . What is the chance of failing the nth test ? The soln is 5/24. I can't see how this is arrived @. MANY THANKS.
1 /11 - n . What is the chance of failing the nth test ? The soln is 5/24. I can't see how this is arrived @. MANY THANKS.