Answered: Do you think global warming will have…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

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.

Response	Age
18–29	30+
Yes	134	293
No	131	432
Unsure	2	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?

(d)

Based on the survey results, does there appear to be a difference between ages 18–29 and 30+ regarding concern over global warming?

It appears that older respondents are less 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 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.

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