Ask six experts to predict whether they can pass the vocational qualification examination. If not, they can pass several of the four subjects.

1, gossip and hexagram can predict many things. According to empirical statistics, predicting what happened in the past has a high accuracy.

2. The vocational qualification examination is a "new thing", which is unclear and based on six explanations. Let it be.

If there is a definite answer, the probability of three passes is 30%, and the probability of two passes is 45%.