WEST-B Practice 3

A box contains 56 colorful paperclips in the amounts shown in the table below. If a person randomly grabs a paperclip from the box, what is the probability that they will pick an orange paperclip? 
Color | Amount

Red | 13

Orange | 8

Yellow | 12

Green | 11

Blue | 12

• 1 out of 7

• 19 out of 56

• 1 out of 5

• 12 out of 56

A Bingo board is 5x5, as shown. A square is randomly selected at random. What is the probability that the square selected is positioned in the second column? 

• 25%

• 20%

• 5%

• 10%

• A student surveys their peers and asks how long they studied for the last test and the score they got on it. The student keeps track of the data in a table. Which type of graph would be most appropriate to use to investigate whether there is a relationship between the two sets of data?

• pie chart

• scatter plot

• histogram

• dot plot

The pie chart below shows the typical indoor water usage based on a nationwide survey competed in 1999. Which two sources of water make up about the same amount of the indoor water usage as the toilet?

• Shower and "Other"

• Clothes Washer and "Other"

• Leaks and Faucet

• Shower and Leaks

Which graph below could represent a bike that speeds up, then goes down a hill, then quickly comes to a stop at an intersection? 

• A

• B

• C

• D

The daily high temperature for each day of a week is shown in the table. Which of the following is closest to the mean?

• 73

• 81

• 88

• 86

The daily high temperatures in a week are shown. Which is the median temperature for the week? 

• 73

• 79

• 81

• 90

• Students are playing a board game with a spinner that is divided into ten equal pieces. The numbers on the spinner range from 1 to 10. What is the likelihood that the spinner will land on a number less than 4 the next time it is spun? 

• 0.1

• 0.2

• 0.3

• 0.4

A student attempts to solve the following problem. 

---

A theater production charges $21 for adult tickets and $15 for student tickets. If the production sold 102 tickets for its opening night and made $1,932 in ticket sales, how many of each type of tickets were sold?

---

The student models the problem with the following system of equations:

x + y = 102

21x + 15y = 1,932

---

In the context of the student's work, what does the expression 21x represent? 

• the total sales, in dollars, from the adult tickets

• the total number of student tickets sold

• the total number of adult tickets sold

• the total sales, in dollars, from the student tickets

Which piece of information is extraneous for the solution of the problem below? 

---

 A group of friends are ordering pizzas for a party. They want to get enough pizza to feed 20 people, with each person eating 2 slices. If they choose to order large pizzas that cost $12 each and medium pizzas that cost $10 each, how many large pizzas should they order if they want to spend no more than $100?

• the number of people at the party

• the number of slices each person eats

• the cost of a medium pizza

• the total cost they wish to spend