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Probability Combination and Permutation

Authored by Maria Russo

Mathematics, Other

9th - 12th Grade

CCSS covered

Used 1+ times

Probability Combination and Permutation
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21 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When do we use the formula "nPr"?

Permutation. All objects distinct
Permutation. Some identical objects
Arranging people in a row
Forming a group of r objects

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

I want to arrange 5 people in a row out of a class of 10 people. Number of ways =

10P5

10C5

10!/(5-2!)

10!-5!

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

I want to arrange the letters A,A,A,B,B,C,D,E in a row with same alphabets together. Which of the following is the working for the number of arrangements?

5!*3!*2!

8!/(3!*2!)

8!

5!

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permutation or Combination: The student body of 30 students wants to elect a president, vice president, secretary, and treasurer.

permutation

combination

Tags

CCSS.HSS.CP.B.9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permutation or Combination: Rob and Micaela are planning trips to four countries this year. There are 5 countries they would like to visit. One trip will be one week long, another two days, another two weeks, and the other a month.

permutation

combination

Tags

CCSS.HSS.CP.B.9

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permutation or Combination: A group of 40 people are going to run a race. The top three runners earn gold, silver, and bronze medals.

permutation

combination

Tags

CCSS.HSS.CP.B.9

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Permutation or Combination: A group of 14 people need to take an elevator to the top floor. They will go in groups of seven. They are deciding who will take the elevator on its second trip.

permutation

combination

Tags

CCSS.HSS.CP.B.9

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