Combinations - Determine Number of Combinations
Free Algebra Worksheet - Combinations - Determine Number of Combinations
Lesson:
To find the number of combinations of n distinct objects taken r at a time
Subject:
Algebra
Statistics & Probability
Description:
This free probability worksheet contains problems on combinations. Students must use the theorem for combinations to calculate combinations and solve counting problems.
# of Problems: 13
# of Pages: 3
Answer Key?: Yes
Sample Problems from Worksheet
(Worksheet pictures and diagrams not shown)
Tutor-USA.com Worksheet
Combinations
Find the value:
1) C(7, 4)
3) C(21,19)
4) In how many ways may a committee of 4 be chosen from a group of 25?
5) From a group of 25 Democrats and 18 Republicans, how many committees consisting of 3 Democrats and 2 Republicans are possible if one of two specific Democrats is to be chairman?
6) On a baseball squad, there are 3 catchers, 5 pitchers, seven infielders and 7 outfielders. How many baseball mines can be formed?
8) In how many ways can a person get a bridge hand consisting of 2 aces, 1 king, 1 queen, 3 jacks, and the six other cards 10 or less?
11) How many tetrahedrons are determined by 9 points no four of which lie on the same plane?
13) Solve for n in the equation C(n + 2,4) = 6C(n,2)
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