Mathematics, 08.05.2021 18:50 skaterwolf1317
I NEED HELP PLEASE D: PLEASE!!!
1. There are $5$ girls and $5$ boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
In how many games does a girl play against a boy?
I already solved number 1, there are 25 matches, i just need to know this one:
2. There are $5$ girls and $5$ boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
What fraction of the games are boy-versus-boy? Enter your answer as a fraction in simplified form.
3. There are $5$ girls and $5$ boys in a chess club. The club holds a round-robin tournament in which every player plays against every other player exactly once.
If Anita is one of the club members, what fraction of all games at the tournament does Anita play in? Enter your answer as a fraction in simplified form.
PLEASE D:
Answers: 1
Mathematics, 21.06.2019 22:50, Yangster9305
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
I NEED HELP PLEASE D: PLEASE!!!
1. There are $5$ girls and $5$ boys in a chess club. The club hold...
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