(Question 6) A school organizes extracurricular activity groups, and the personnel distribution of the three groups is as follows (each student only participates in one group):

Solution: (1) Because there are 30 people in the photography team,

So there are three groups of * * *.

So (people). ..........................., 3 points.

(2) Three people were randomly selected from the calligraphy group 10, and * * * had (species), among which all junior and senior high school students had (species).

Take "the calligraphy group randomly selected three people to participate in the calligraphy competition, and three of them were junior and senior high school students" as an event.

Then. ......................... scored six points.

leave out