7.SP.2

An internet company randomly selected 50 of its customers and asked them how many hours per week they use the internet. Of those surveyed, 28 use the internet more than 15 hours per week. Based on the data, if the company has 800 subscribers how many use more than 15 hours per week?

• 328 subscribers

• 348 subscribers

• 428 subscribers

• 448 subscribers

The drama club wants to estimate the number of students who will attend the school play. The president of the club asks 20 of her friends if they are going to the play. She learns that 13 of them plan to attend the play. What could the president do to make it more likely that her estimate will be closer to the actual number of students who attend the

play?

• ask 20 more of her friends if they are going to the play

• ask the last 20 students in the cafeteria line if they are going to the

  play

• ask every 20th student on a list of all the students in the school if

  they are going to the play

• ask the members of the drama club to each ask 20 of their friends if

  they are going to the play

Tags

CCSS.6.SP.A.1

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A school has five 7th-grade homeroom classes. One homeroom class was given a survey. Which statement best describes the scope of the survey results?

• The results can be used to describe what most students aged 10 to

  12 think.

• The results can be used to describe what 7th graders across the

  country think.

• The results can be used to describe what the 7th graders at this

  school think.

• The results can be used to describe what most 8th graders thought

  last year when they were in 7th grade.

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

A hospital wants to conduct a survey to find out what patients think about the quality of medical services provided by its doctors and staff. Which of these samples would give it the best results?

• taking the opinion of the entire staff in the hospital

• taking the opinion of patients in the cardiology wing of the hospital

• taking the opinion of all the doctors who treat patients in the

  hospital

• taking the opinion of every fifth patient who is discharged from the

  hospital

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

Bob asked 8 band members and found that 3 members play more than one instrument. Use his results to predict how many of 152 band members play more than one instrument.

• 3/8
• 405
• 57
• 60

A high school has 1500 students.  In a random sample of 50 students, 32 own one or more pets.  Predict the number of students at the high school who own one or more pets.

• 480
• 960
• 48
• 96

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

Drake made 14 out of 20 free throw shots. How many out of the next 30 free throw shots would you expect him to make?

• 20

• 21

• 22

• 25

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Patrick polled the first 27 children to attend the Monocacy Middle School band concert about what middle school they attend. Is this biased or random?

• random

• biased

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.RP.A.1

A small town as 2,500 residents.  In a random sample of 125 residents, 2 have the flu.  Predict the number of residents of the town who have the flu.

• 20
• 40
• 200
• 400

Tags

CCSS.7.RP.A.2

CCSS.7.SP.A.1

CCSS.7.SP.A.2