China Naming Network - Eight-character lottery - Which performance lottery software is better?
Which performance lottery software is better?
( 1) 12÷40=3 10
18÷40=920?
10÷40= 14
Answer: The first person who draws lots has a reading probability of 3 10, a singing probability of 920 and a dancing probability of 14.
(2)( 12-7)÷(40-20)= 14
( 18-8)÷(40-20)= 12
( 10-5)÷(40-20) 14
A: At this time, the probability of Xiao Qiang reading aloud, singing and dancing is 14, 12 and 14 respectively.