Fortune Telling Collection - Horoscope - The probability of randomly selecting two human constellations from the crowd is the same () A.B.C.D 。
The probability of randomly selecting two human constellations from the crowd is the same () A.B.C.D 。
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.
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