Idonotknowmath
New member
- Joined
- Feb 22, 2016
- Messages
- 10
On a single train journey there is a probability of 0.4 that your ticket will be checked. You make a return-journey, what is the probability that your ticket will be checked only once?
Give your answer as a proportion, rounding to two decimal places.
Can someone explain how to get the answer here? And why is it NOT .20? Unless it is … in which case great. But it can't be that easy …
Give your answer as a proportion, rounding to two decimal places.
Can someone explain how to get the answer here? And why is it NOT .20? Unless it is … in which case great. But it can't be that easy …