According to the analysis of the meaning of the question, two constellations are randomly selected from the crowd 12× 12 = 144, while the two constellations are the same 12. The answer can be obtained by calculating the formula of probability.
analyse
According to the meaning of the question, there are 12× 12= 144 human constellations randomly selected from the crowd.
But 12 is the case that the two constellations are the same.
The probability is =,
So choose D.