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- 1. Multiple Choice
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
- 2. Multiple Choice
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
- 3. Multiple Choice
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.
- 4. Multiple Choice
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
- 5. Multiple ChoiceBob 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.3/84055760
- 6. Multiple ChoiceA 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.4809604896
- 7. Multiple Choice
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
- 8. Multiple Choice
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
- 9. Multiple ChoiceOn a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?175185200220
- 10. Multiple ChoiceA 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.2040200400
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