Bonjour,
Je suis collé avec ce problème de tirage au sort de 20 équipes de foot: pourriez-vous m'aider ?
I have 20 football teams: 11 are from Canada, 9 are from Mexico.
I will draw randomly 10 pairings out of those 20 teams so as to create 10 matches...
What are the probabilities to have :
- only 1 pairing comprised of 2 canadian teams ?
- only 1 pairing comprised of 2 mexican teams ?
- exactly 2 pairings each comprised of 2 canadian teams ?
- exactly 2 pairings each comprised of 2 mexican teams ?
- exactly 3 pairings each comprised of 2 canadian teams ?
- exactly 3 pairings each comprised of 2 mexican teams ?
- exactly 4 pairings each comprised of 2 canadian teams ?
- exactly 4 pairings each comprised of 2 mexican teams ?
- at least 4 pairings each comprised of 2 canadian teams ?
- at least 4 pairings each comprised of 2 mexican teams ?
Merci beaucoup !
Partager