simple and compound events

Given the results, what is the experimental probability that the next time the number cube is rolled it will land with a 5 showing on the top face?

• A) 1/5

• B) 1/4

• C) 1/3

• D) 1/2

A number cube with 6 faces was used in a classroom. The faces were labeled from 1 to 6. Suzie rolled the number cube 20 times and recorded the number showing on the top face after each roll. The results from Suzie’s experiment are shown below. Given the results, what is the experimental probability that the next time the number cube is rolled it will land with a 1 or 2 showing on the top face?

• 1/5

• 1/4

• 1/3

• 1/2

Based on the results, what is the experimental probability that the next time the number cubes are rolled, they will land with a 3 on one cube and a 4 on the other cube?

Based on these results, what is the experimental probability that the next time the two coins are flipped, one will land on heads, and one will land on tails?

• 1/4

• 1/2

• 1/3

• 1/6

Aubrey has a bag of coins that contains 5 nickels, 20 dimes, 15 quarters, and 10 pennies. She will randomly select one coin from the bag. What is the probability she will select either a dime or penny?

• 0.25

• 0.5

• 0.6

• 0.7

A company has 4 boxes of blue binders, 12 boxes of red binders, and 2 boxes of white binders. Each box contains 12 binders. If a customer were to randomly select one binder to purchase, what is the probability the customer will select a white binder or a red binder?

• 1/2

• 2/3

• 3/4

What is the solution to the equation shown below? 3x + 12 = 18 Choose the correct answer from the options below.

• x = 1

• x = 2

• x = 3

• x = 4

Which equation below best represents y, the number of pages Brooklyn has read in x hours if she continues at this rate?

• A x = y + 36

• B y = x + 36

• C x = 36y

• D y = 36x

Alex started collecting marbles. His friend gave him 25 marbles. Each month he will add 10 marbles to the collection. Which equation can be used to find y, the total number of marbles in Alex’s collection after x months?

• y = 25x + 10

• y = 10x + 25

• y = 25x – 10

• y = 10x – 25

Laura has 134 documents on her computer that take up 670 megabytes of space on her computer. Each document takes up the same amount of space. How many megabytes do 24 of these documents take up?

• 16 MB

• 120 MB

• 5 MB

• 24 MB