Portfolio Combinations
COMBINATIONS: Assignment #2
Portfolio Combinations代写 1.Which is smaller, 7P3 or 7C3? Explain why.2. Of the 21 young girls auditioning for the role of Annie,
1.
Which is smaller, 7P3 or 7C3? Explain why.
2. Portfolio Combinations代写
Of the 21 young girls auditioning for the role of Annie, nine were good dancers who could not sing well enough, but five could sing and dance will. Assuming that all the girls possessed at least one of these skills, how many girls must have been good enough singers without dancing skills?
3.
There are 16 teams entered in the Theatre Games tournament. In how many ways can first, second and third place ribbons be awarded to the teams?
4. Portfolio Combinations代写
Seven year old Sarah has 9 crayons; 3 blue, 1 red, 2 green and 3 yellow.
a) In how many ways can she line up the crayons on her desk?
b) She is to pick up some of the crayons. How many different choices of some crayons could she make?
5.
The members of city council are to vote yes or no on each of 7 issues. In marking a ballot, each councilor has the option of abstaining on as many as 6 of the issues, but cannot abstain on all 7 issues. In how many ways can the ballot be marked?
6. Portfolio Combinations代写
A committee of 6 is to be chosen from the 25 members of the student council (including the executive) to organize Spirit Week. In how many ways can this be done if:
a) there are no restrictions
b) there are 14 junior members and 11 senior members; the committee must have 4 juniors and 2 seniors
c) the social director and student council president must be include
7. Portfolio Combinations代写
From the records at TAB, the following data was collected: 12 students studied Sociology, Economics and Accounting 27 studied Sociology and Accounting 20 studied Sociology and Economics 21 studied Economics and Accounting 36 studied Sociology 36 studied Economics 58 studied Accounting.(Use Venn diagram)
a) What is the least number of individual student records that were examined?
b) How many students studied Sociology but neither of the Business subjects?
8.
From a deck of 52 cards, how many different 4-card hands could be dealt which include one card from each suit?
9. Portfolio Combinations代写
The prime factorization of 540 is 2x2x3x3x3x5. Find the total number of divisors including 1.
10.
Marla’s bag of marbles contains 2 red, 3 blue, and 5 green marbles. If she reaches in to pick some without looking, how many different selections can she make?
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