Answer:
The probability that the good exam belongs to Alice could be infered from the handwriting of the answer sheet. This s because, previously, the professor would have given them assignments which they submitted.
In the ones he marked, he was able to note the style of writing of alice and her good grades. Therefore, the style of writing (Handwriting ) in the exams with good grade will help him to determine that it belongs to Alice.
Step-by-step explanation: