
Random Sampling and Predictions
Interactive Video
•
Mathematics, World Languages, Science
•
9th - 12th Grade
•
Practice Problem
•
Hard
Thomas White
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of this video tutorial?
Using random samples to make inferences
Studying historical events
Learning a new language
Understanding calculus
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the university problem, what is the sample size used to predict language proficiency?
30,000 students
18 students
270 students
330 students
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many students in the sample speak three or more languages?
30,000 students
330 students
270 students
18 students
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the predicted number of students at the university who speak three or more languages?
1,000 students
500 students
2,022 students
3,000 students
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the MP3 player problem, how many MP3 players were in the shipment?
10,000 players
5,000 players
3,000 players
1,000 players
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many defective MP3 players were found in the previous shipment?
100 players
400 players
200 players
300 players
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the predicted number of defective MP3 players in the current shipment?
2,000 players
500 players
1,000 players
1,500 players
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