Answered: Age 30+ Response 18-29 Yes 134 293 No…

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 CBS News/New Yot"k times poll of 1000 adults in the United States asked this question (CBS News website,December 2014). Consider the responses by age groups shown below.

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?

b. What is the probability that a respondent 30+ years of age thinks global warming will not pose a serious threat during his/her lifetime?

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?

Age
30+
Response
18-29
Yes
134
293
No
Unsure
131
432

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