Marking scheme for A2 --------------------- All exercises are out of 100. So each one is to mark out of 25. 8.4.: - For any bad answer, take 2 points off. Notes: * what is important is how the students reason. There are sometimes several possible answers that are reasonable. So be aware of this. ** The students may use a notation different than the one used in the answer. 10.10(1): - Give AT LEAST 15 for any reasonable tree. - Give full marks for any tree that has all the four nodes. - Deduct 3 points for any missing nodes of the correct tree 12.4.: - For any bad answer, take 2 points off. 14.2.: - For any bad answer, take 3 points off. Notes: * what is important is how the students reason. There are sometimes several possible answers that are reasonable. So be aware of this.