SEATWORK 4.3

What does this symbol represent?

• Intersection "or"

• Union "or"

• Intersection "and"

• Union "and"

What does this symbol represent?

• Intersection "or"

• Union "or"

• Intersection "and"

• Union "and"

Using the Venn diagram, what is A ∪ B?

• A ∪ B = {e, g, j}

• A ∪ B = {a, b, c, d, e, g, h, i, j}

• A ∪ B = {f, l, k, s, r, m, q, p}

• A ∪ B = {a, c, h}

There are two groups of students, group A and group B surveyed their campus for student satisfaction. Group A surveyed students from the math, science, and philosophy departments. Group B surveyed students from the language, business, and philosophy departments. Which department intersect both group of events?

• Math Department

• Science Department

• Philosophy Department

• Language Department

What does the shaded part of diagram shows for?

• Intersection of event A and B

• Union of event A and B

• Universal event

• Union and Intersection of event A and B

What does union of event consist?

• all the elements in event A and set B.

• the common elements in event A and set B.

• all the elements in event A but not in event B.

• all the elements in event B but not in event A.

If A = {1, 2, 3, 4, 5, 6} and B = {1, 2, 3, 5, 7, 9} What is A ⋂ B?

• {1, 2, 3, 4, 5, 6, 7, 9}

• {1, 2, 3, 5}

• {4, 6, 7, 9}

• { }

6. In a wedding, there are a total of 500 attendees. 380 of the attendees are friends of the bride. 330 of the attendees are friends of the groom. How many of the attendees both bride and groom's friends?

• A. 320

• B. 290

• C. 210

• D. 170

What is the shaded region?

• A

• B Ո A'

• A ∪ B

• A Ո B'

What does the shaded part of diagram shows for?

• Union of A and B

• Union of A, B, and C

• Intersection of A, B and C

• Intersection of A and B