Part A
You will hear a lecture about shingles, an infectious disease. As you listen, answer Questions 1 to 10 by circling TRUE or FALSE. You will hear the talk ONLY ONCE.
You now have 1 minute to read Question 1 to 10.
Questions 1 to 10:

You are under a risk of developing shingles if you are vulnerable in the immune system.

从6台原装计算机和5台组装计算机中任意选取4台，其中原装与组装各2台的概率是__________。