Asked by matt
there are 100 boys, 80 girls, and 20 teachers. In how many ways can a group of 5 (2 girls, 2 boys and a teacher) be selected?
Answers
Answered by
drwls
[100!/(2!*98!)]*[80!/(78!)(2!)]*20
= [(100*99)/2][(80*79)/2)]*2
= 31,284,000
= [(100*99)/2][(80*79)/2)]*2
= 31,284,000
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.