Question

According to BabyNames.com, the top 10 boys names in 2011 were Liam, Noah, Aidan, Jackson, Caleb, Grayson, Ethan, Alex, and Owen. The top 10 girls names in 2011 were Charlotte, Sofia, Amelia, Olivia, Ava, Lily, Emma, Scarlet, Audrey, and Harper.

If the boy names are represented by the set B = {Liam, Noah, Aidan, Jackson, Caleb, Grayson, Ethan, Alex, Owen} and girl names by the set G = {Charlotte, Sofia, Amelia, Olivia, Ava, Lily, Emma, Scarlet, Audrey, Harper}, find B ∩ G.

Answer 1

Are there any names that are in set B and G?

Answer 2

no

Answer 3

You are asked to find the intersection of sets B and G. As you said, there are no names that are common to both sets, therefore the intersection of sets B and G is the empty set.

Answer 4

would that be the same for b u G

Answer 5

B U G is the union of the two sets. Therefore it is not the empty set.

Answer 6

so that means everybody in both classes?

Answer 7

Yes, B U G is the set {Liam, Noah, Aidan,....all boys and girls names in between..........Scarlet, Audrey, Harper}

Answer 8

ohk thanks for breaking it down

Answer 9

You're welcome :)