The students drew lots to decide the performance programs, including 65,438+00 singing programs, 7 dancing programs and 3 recitation programs. The possibility of Xiao Ming's painting performance and s

The students drew lots to decide the performance programs, including 65,438+00 singing programs, 7 dancing programs and 3 recitation programs. The possibility of Xiao Ming's painting performance and singing is _ _ _ _ _ _ _ _, table. 10+7+3=20,

10÷20= 1 2 ,

7÷20= 7 20 ,

3÷20= 3 20 ;

Because 1 2 > 7 20 > 3 20,

Therefore, Xiao Ming is likely to get a performance and singing, and more singing programs should be prepared.

A: The probability of Xiao Ming being chosen to perform singing is 1.2, the probability of performing dancing is 7.20, and the probability of performing recitation is 3.20.

So the answers are:12,7 20,3 20.