Unit 8 Retake

Marco has two number cubes. The faces of each number cube are numbered from 1 to 6. Marco rolled the number cubes and recorded the number showing on the top face of each number cube. The results are shown in the table.

Based on these results in the table, what is the experimental probability, in decimal form, of the number cubes both landing on an even number?

Enter your answer (in decimal form) in the space provided.

(a)  

Tags

CCSS.7.SP.C.6

Ava went to Texas Roadhouse for dinner. She choses 1 drink, 1 entrée, and 1 side for her dinner. The dinner options are shown in the table.

What is the probability that Ava will randomly choose a dinner that consists of Dr. Pepper, steak, and green beans?

A survey of visitors at a natural park was conducted to determine the preferred activity of each visitor to the park. Each visitor chose one activity. The survey results are shown in the table.

Based on this information, which prediction about the preferred activity for the next 200 visitors to the park is the most reasonable?

• The number of visitors who prefer water sports will be 5 more than the number of visitors who prefer biking trails.

• The number of visitors who prefer hiking trails will be 8 more than the number of visitors who prefer water sports.

• The number of visitors who prefer camping will be 15 times the number of visitors who prefer hiking trails.

• The number of visitors who prefer camping will be 2 times the number of visitors who prefer water sports.

Tags

CCSS.7.RP.A.2C

A study of a population of 1,200 frogs revealed that 12 out of every 180 frogs in the population have spots on their back. Based on the results of this study, how many frogs in the population are expected to have spots on their back?

(a)  

Tags

CCSS.6.RP.A.3B

Felix has a bucket of golf balls. The table shows the number of golf balls of each color in the bucket.

Felix selects a golf ball at random. Based on the information in the table, which statement is true? 

Select TWO correct answers.

• The golf ball is less likely to be green than all other colors combined.

• The golf ball is 7 times as likely to be green as it is to be white.

• The golf ball is 2 times as likely to be orange as it is to be pink.

• It is equally likely for the golf ball to be green as it is to be white or pink.

Tags

CCSS.7.SP.C.7B

What is the experimental probability that the next time the number cube is rolled it will land with 5 or 6 on the top face?

Tags

CCSS.7.SP.C.6

A bag contains 5 red marbles, 6 blue marbles, 3 green marbles, 4 black marbles and 2 yellow marbles. A marble will be drawn from the bag and replaced 100 times. What is the reasonable prediction for the number of times a green marble will be drawn?

• 35

• 7

• 65

• 15

Tags

CCSS.7.SP.C.6

Based on the survey results, which of these is the best prediction of the meals

wanted by the 200 students?

• 96

• 40

• pick this one

• 8

Tags

CCSS.7.SP.A.2

The spinner shown is divided into congruent sections that are labeled from 1 to 7. If the spinner is spun one time, what is the probability of the arrow not landing on a section labeled with an odd number

Tags

CCSS.7.SP.C.7B

Nerissa has 5 green bows, 2 blue bow, and 3 purple bows in a box. She will randomly choose 1 bow from the box. Determine the probability of choosing a purple or green bow.

Enter your answer (as a percent) in the space provided.

(a)