Answered

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there are 7 boys and 5 girls in a class. the teacher randomly selects 3 different students to answer questions. the first student is a girl, the second is a boy, and the 3rd student is a girl. find the probability of this occurring.

Sagot :

truongntq

Answer:

7/11

Step-by-step explanation:

  • The first female student has 5 choices
  • The second has 7 choices

The 3rd has 4 choices

-. (5*7*4)/12C3

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