some homework question.
A total of 6 players is selected at random to form a volleyball team from a group of 10 girls and 5 boys, 6 of the girls and 3 of the boys have played the game before. Find the probability that of the 6 selected
a) 4 are girls and 2 are boys
b) at least 4 of the players are girls that have played the game before.
Hello, phillychum!
There are 10 girls and 5 boys who play volleyball.
A team of 6 players are selected at random
6 of the girls and 3 of the boys have played the game before.
Some players are Experienced, others are New to the game.
. .
Find the probability that of the 6 selected
a) 4 are girls and 2 are boys
There are: . possible teams.
4 girls, 2 boys: . teams.
Therefore: .
b) at least 4 of the players are girls that have played the game before.
There are 6 Experienced girls and 9 Others.
There are three cases to consider:
. .
Therefore: .