Consider the following hypothetical survey results of 18- to 34-year-olds in a certain country, in response to the question "Are you currently living with your family?" Yes No Totals Women 94 154 248 Men 108 144 252 Totals 202 298 500 (a) Develop the joint probability table for these data and use it to answer the following questions
Consider the following hypothetical survey results of 18- to 34-year-olds in a certain country, in response to the question "Are you currently living with your family?" Yes No Totals Women 94 154 248 Men 108 144 252 Totals 202 298 500 (a) Develop the joint probability table for these data and use it to answer the following questions
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Consider the following hypothetical survey results of 18- to 34-year-olds in a certain country, in response to the question "Are you currently living with your family?"
| Yes | No | Totals | |
|---|---|---|---|
| Women | 94 | 154 | 248 |
| Men | 108 | 144 | 252 |
| Totals | 202 | 298 | 500 |
(a)
Develop the joint probability table for these data and use it to answer the following questions.
| Yes | No | Totals | |
|---|---|---|---|
| Women | |||
| Men | |||
| Totals |
(b)
What are the marginal probabilities?
P(18- to 34-year-old woman)
=
P(18- to 34-year-old man)
=
P(responded yes)
=
P(responded no)
=(c)
What is the probability of living with family given you are an 18- to 34-year-old woman in this country? (Round your answer to four decimal places.)
(d)
What is the probability of living with family given you are an 18- to 34-year-old man in this country? (Round your answer to four decimal places.)
(e)
What is the probability of an 18- to 34-year-old in this country living with family?
(f)
If, in this country, 50.6% of 18- to 34-year-olds are male, do you consider this a good representative sample? Why?
Since
P(18- to 34-year-old man) =
in this sample, this ---Select--- seems does not seem like a good representative sample based on gender.Expert Solution
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