Understanding Combinations in Probability

Understanding Combinations in Probability

Assessment

Interactive Video

Mathematics

7th - 10th Grade

Practice Problem

Hard

CCSS
7.SP.A.2, 3.OA.B.5

Standards-aligned

Created by

Olivia Brooks

Used 1+ times

FREE Resource

Standards-aligned

CCSS.7.SP.A.2
,
CCSS.3.OA.B.5
The video tutorial explains the concept of combinations in probability, highlighting the difference between permutations and combinations. It provides examples, such as selecting students to pick up books and an IRS agent auditing tax returns, to illustrate how combinations work when order is not important. The tutorial also demonstrates the use of the combination formula and how to calculate it using a calculator.

Read more

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the key difference between permutations and combinations?

Neither consider order.

Both consider order.

Combinations consider order, permutations do not.

Permutations consider order, combinations do not.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a group of 10 students, how many are chosen to pick up books?

3 students

5 students

2 students

4 students

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula used to calculate combinations?

n! * r!

n! / [(n-r)! * r!]

n! / r!

n! / (n-r)!

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different ways can 3 students be chosen from a group of 10?

90 ways

150 ways

120 ways

60 ways

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the factorial of 10?

3,628,800

3,628,000

3,600,000

3,000,000

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'n' represent in the combination formula nCr?

Number of choices

Total number of items

Number of combinations

Number of permutations

Tags

CCSS.7.SP.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the IRS scenario, how many tax returns are flagged?

10 returns

12 returns

22 returns

20 returns

Tags

CCSS.7.SP.A.2

Create a free account and access millions of resources

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?