Project 1 MATE 2800

Front

How many different 3-person teams can be formed from a group of 7 people?

Back

35

Front

Let A={1,2,3,4,5,6}, B={2,4,6}, C={1,2,3} and D={7,8,9}. Is A ⊂ C true or false?

Back

False

Front

In a class of 20 students, how many ways can a group of 4 students be selected for a project?

Back

3876

Front

Let A={1,2,3,4,5}, B={3,4,5}, and C={1,2}. Is B ⊆ A true or false?

Back

True

Front

Let A={1,2,3,4,5,6}, B={2,4,6}, C={1,2,3} and D={7,8,9}. Is A ⊂ B true or false?

Back

False

Front

What is the formula for combinations to select r items from n items?

Back

C(n, r) = n! / (r!(n-r)!)

Front

Define a subset in set theory.

Back

A subset is a set where all elements are also contained in another set.

Front

What does it mean for set A to be a proper subset of set B?

Back

Set A is a proper subset of set B if all elements of A are in B, and B contains at least one element not in A.

Front

How many ways can you choose 2 items from a set of 5?

Back

10

Front

What is the difference between a subset and a proper subset?

Back

A subset can be equal to the original set, while a proper subset must have fewer elements.