
Combinatorics and Permutations Problems
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the probability of selecting one brown cow and one white cow from a farm with 5 brown cows and 10 white cows when 2 cows escape?
Back
The probability is 5/21.
Tags
CCSS.HSS.CP.B.9
2.
FLASHCARD QUESTION
Front
What does 6P5 represent in combinatorics?
Back
6P5 represents the number of permutations of 6 items taken 5 at a time, which equals 720.
3.
FLASHCARD QUESTION
Front
How do you calculate the probability of not selecting a lime from a box containing 3 limes, 5 grapes, and 2 oranges?
Back
P(NOT lime) = (Total fruits - Limes) / Total fruits = 7/10.
Tags
CCSS.HSS.CP.B.7
4.
FLASHCARD QUESTION
Front
How many possible lock codes can be created with 4 dials, each having digits from 0 to 9?
Back
There are 10,000 possible lock codes.
5.
FLASHCARD QUESTION
Front
How many different selections of 3 flavors can be made from 15 different ice cream flavors?
Back
There are 455 different selections.
6.
FLASHCARD QUESTION
Front
Define permutations in combinatorics.
Back
Permutations are arrangements of objects in a specific order.
7.
FLASHCARD QUESTION
Front
Define combinations in combinatorics.
Back
Combinations are selections of objects without regard to the order.
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