SOLUTION: Please help i am kinda confused.'
5. At Grant senior high school, there are 15 names on the ballot for the junior class officers.Five will be selected to form a class committee?
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5. At Grant senior high school, there are 15 names on the ballot for the junior class officers.Five will be selected to form a class committee?
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Question 1081075: Please help i am kinda confused.'
5. At Grant senior high school, there are 15 names on the ballot for the junior class officers.Five will be selected to form a class committee?
c. If there are 8 girls and 7 boys on the ballot, how many committee of boys and 3 girls can be formed?
You can put this solution on YOUR website! 2 boys and 3 girls I assume is the committee
8C3 girls (56)
7C2 boys (21)
They are independent of each other, so the product is 1176 ways.
You can put this solution on YOUR website!
a.
How many different committees of can be formed?
Order is not important in this situation, so the selection is a combination of people chosen at a time.
There are different ways to form the committees of .
b.
Order has to be considered in this situation because each committee
member has a different responsibility.
There are possible committees.
c.
Order is not important. There are three questions to consider.
How many ways can boys be chosen from ?
How many ways can girls be chosen from ?
Then, how many ways can boys and girls be chosen together?
Since the events are independent, the answer is the product of the combinations and .
There are possible committees.
You can put this solution on YOUR website! 15 choose 5=3003 possible committees.
Out of a committee of 5,there are 2 boys, and 3 girls. So 7 choose 2 boys x 8 choose 3 girls equals 21 x 56=1176 different committees. ☺☺☺☺