2nd NW Test Review

The spinner shown has eight congruent sections. The spinner is spun 120 times. What is a reasonable prediction for the number of times the spinner will land on an even number?

• 75

• 45

• 15

• 40

Mr. Torres is ordering 250 school T-shirts to sell in the school store. The T-shirts come in blue, gray, or red. To know how many of each color to order, Mr. Torres polled a random sample of students. The results are in the table. Of the 250 total T-shirts, about how many should be red?

• 5

• 17

• 40

• 83

Based on these results, what is the experimental probability that the next time the number cube is rolled it will land with 5 or 6 showing on the top face?

• 2/5

• 3/20

• 1/3

• 3/5

There are 10 red apples and 12 green apples in a basket. If Vinta randomly selects 3 apples from the basket, what is the probability they will all be green apples?

• 6/77

• 3/22

• 1/7

• 1/4

What is the probability of getting heads every time if a coin is tossed 5 times?

• 1/32

• 1/5

• 5/16

• 1/2

Stephanie flipped a fair coin once and rolled a number cube numbered 1 through 6 once. What is the probability that Stephanie flipped a head and rolled a 4?

• 1/12

• 1/4

• 1/3

• 2/3

If the cafeteria has 80 customers on Tuesday, which prediction for Tuesday is NOT supported by the data in the table?

• The number of bottles of cranberry juice sold will be 6 more than the number of bottles of pineapple juice sold.

• The number of bottles of apple juice sold will be 6 times the number of bottles of cranberry juice sold.

• There will be a total of 50 bottles of orange and cranberry juice sold.

• The difference between the number of bottles of apple juice sold and the number of bottles of pineapple juice sold will be 14.

A marble will be drawn from the bag and replaced 100 times. What is a reasonable prediction for the number of times a green or black marble will be drawn?

• 14

• 65

• 7

• 35

The number of points scored by Lillian and Naomi during four basketball games is shown in the graph below. Which statement is best supported by the information in the graph?

• In Game 1 the number of points scored by Lillian was more than half the number of points scored by Naomi.

• The total number of points scored by Lillian and Naomi in Game 4 was more than the number of points scored by Lillian in Game 2.

• In Game 4 the number of points scored by Naomi was two times the number of points scored by Lillian.

• The total number of points scored by Lillian and Naomi in Game 3 was seven times the number of points scored by Lillian in Game 2.

Bailey will roll a number cube and flip a coin for a probability experiment. The faces of the number cube are labeled 1 through 6. The coin can land on heads or tails. If Bailey rolls the number cube once and flips the coin once, which list contains only the outcomes in which the number cube lands on a number greater than 4?

• 5, Heads; 5, Tails; 6, Heads; 6, Tails

• 5, Heads; 6, Tails

• 1, Heads; 1, Tails; 2, Heads; 2, Tails; 3, Heads; 3, Tails; 4, Heads; 4, Tails; 5, Heads; 5, Tails; 6, Heads; 6, Tails

• 4, Heads; 4, Tails; 5, Heads; 5, Tails; 6, Heads; 6, Tails