Do you think global warming will have an impact on you during your lifetime? A CbS News / New York 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.
............................. Age
Response _____ 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?
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?
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?