First Age
Banded Mongoose
Page 56 states:
It might be worth emphasising that if the rules text does not state a difficulty then assume that the Task is of Average difficulty. Often (well, in the Actions section p.160) a task is stated without difficulty. Either affirm the default more clearly, or always add in the difficulty to be clear.
MAKING CHECKS
To make a check, the Traveller rolls 2D and includes
any appropriate Dice Modifiers (DM). If the total is 8 or
more, the Traveller succeeds.
It might be worth emphasising that if the rules text does not state a difficulty then assume that the Task is of Average difficulty. Often (well, in the Actions section p.160) a task is stated without difficulty. Either affirm the default more clearly, or always add in the difficulty to be clear.