Age 20-24 Age 25-29 Age 30-34 Yes 45 80 5 No 25 25 15 No response 25 10 55 What are two reasons a respondent might not answer this question? What are the strata in this sample? If a person is picked at random from the sample, what is the probability that they are age 25-29 or did not respond to this question?
Age 20-24 Age 25-29 Age 30-34 Yes 45 80 5 No 25 25 15 No response 25 10 55 What are two reasons a respondent might not answer this question? What are the strata in this sample? If a person is picked at random from the sample, what is the probability that they are age 25-29 or did not respond to this question?
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
In a recent survey of a fair stratified random sample of the population, a question appeared as:
Italic text startDo you plan to vote in favour of the speed limit change? Yes/NoItalic text End
Italic text startA scientist found the following number of responses per stratum:Italic text End
Age 20-24 | Age 25-29 | Age 30-34 | |
---|---|---|---|
Yes | 45 | 80 | 5 |
No | 25 | 25 | 15 |
No response | 25 | 10 | 55 |
- What are two reasons a respondent might not answer this question?
- What are the strata in this sample?
- If a person is picked at random from the sample, what is the
probability that they are age 25-29 or did not respond to this question?
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 2 images
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
If three people are picked at random from the sample, what is the
Solution
by Bartleby Expert
Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON