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 8 (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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Chapter8: Sequences, Series,and Probability
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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
2
(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?
(d) Based on the survey results, does there appear to be a difference between ages 18-29 and 30+ regarding concern over global warming?
O It appears that older respondents are more concerned about global warming being a threat in their lifetime than are younger respondents.
O It appears that older respondents are less concerned about global warming being a threat in their lifetime than are younger respondents.
O It appears that older respondents and younger respondents are mostly unsure about global warming being a threat in their lifetime.
OIt appears that older respondents and younger respondents are equally concerned about global warming being a threat in their lifetime.
Transcribed Image Text: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 2 (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? (d) Based on the survey results, does there appear to be a difference between ages 18-29 and 30+ regarding concern over global warming? O It appears that older respondents are more concerned about global warming being a threat in their lifetime than are younger respondents. O It appears that older respondents are less concerned about global warming being a threat in their lifetime than are younger respondents. O It appears that older respondents and younger respondents are mostly unsure about global warming being a threat in their lifetime. OIt appears that older respondents and younger respondents are equally concerned about global warming being a threat in their lifetime.
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