Do you think global warming will have an impact on you during your lifetime?A poll of 1,000 adults asked this question. Consider the responses by age groups shown below. Age Response 18-29 30+ Yes 140 287 No 137 426 Unsure (a) What is the probability that a respondent 18-29 years of age thinks that global warming will not pose a serious threat during his/her lifetime? (Round your answer to four decimal places.) (b) What is the probability that a respondent 30+ years of age thinks that global warming will not pose a serious threat during his/her lifetime? (Round your answer to four decimal places.) (c) For a randomly selected respondent, what is the probability that a respondent answers yes?

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**Title: Understanding Public Perception of Global Warming by Age Group**

**Introduction:**
A recent poll of 1,000 adults assessed perceptions of global warming's impact during their lifetime. The responses were categorized by age groups: 18–29 years and 30+ years.

**Survey Results Table:**

| Age Group | Yes | No  | Unsure |
|-----------|-----|-----|--------|
| 18–29     | 140 | 137 | 8      |
| 30+       | 287 | 426 | 2      |

**Questions and Analysis:**

**(a)** What is the probability that a respondent aged 18–29 years thinks that global warming will not pose a serious threat during their lifetime? *(Round answer to four decimal places.)*

**(b)** What is the probability that a respondent aged 30+ years thinks that global warming will not pose a serious threat during their lifetime? *(Round answer to four decimal places.)*

**(c)** For a randomly selected respondent, what is the probability that they respond "yes"?

**(d)** Based on the survey results, is there a noticeable difference between how respondents aged 18–29 and those aged 30+ perceive the threat of global warming?

- ☐ It appears that older respondents and younger respondents are equally concerned about global warming being a threat in their lifetime.
- ☐ It appears that older respondents are more concerned about global warming being a threat in their lifetime than are younger respondents.
- ☐ It appears that older respondents and younger respondents are mostly unsure about global warming being a threat in their lifetime.
- ☐ It appears that older respondents are less concerned about global warming being a threat in their lifetime than are younger respondents.

**Conclusion:**
This survey provides insights into age group differences in perceiving global warming. Understanding these variations can help in tailoring communication and educational efforts effectively.
Transcribed Image Text:**Title: Understanding Public Perception of Global Warming by Age Group** **Introduction:** A recent poll of 1,000 adults assessed perceptions of global warming's impact during their lifetime. The responses were categorized by age groups: 18–29 years and 30+ years. **Survey Results Table:** | Age Group | Yes | No | Unsure | |-----------|-----|-----|--------| | 18–29 | 140 | 137 | 8 | | 30+ | 287 | 426 | 2 | **Questions and Analysis:** **(a)** What is the probability that a respondent aged 18–29 years thinks that global warming will not pose a serious threat during their lifetime? *(Round answer to four decimal places.)* **(b)** What is the probability that a respondent aged 30+ years thinks that global warming will not pose a serious threat during their lifetime? *(Round answer to four decimal places.)* **(c)** For a randomly selected respondent, what is the probability that they respond "yes"? **(d)** Based on the survey results, is there a noticeable difference between how respondents aged 18–29 and those aged 30+ perceive the threat of global warming? - ☐ It appears that older respondents and younger respondents are equally concerned about global warming being a threat in their lifetime. - ☐ It appears that older respondents are more concerned about global warming being a threat in their lifetime than are younger respondents. - ☐ It appears that older respondents and younger respondents are mostly unsure about global warming being a threat in their lifetime. - ☐ It appears that older respondents are less concerned about global warming being a threat in their lifetime than are younger respondents. **Conclusion:** This survey provides insights into age group differences in perceiving global warming. Understanding these variations can help in tailoring communication and educational efforts effectively.
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