A research poll asked 1689 Americans From what you've read and heard, is there solid evidence that
Question:
Earth is warming | Not warming | Don't know (or refuse) | Total |
---|---|---|---|
Conservative Republican | 0.09 | 0.15 | 0.05 |
Mod/Lib Republican | 0.08 | 0.03 | 0.07 |
Mod/Cons Democrat | 0.16 | 0.02 | 0.05 |
Liberal Democrat | 0.22 | 0.01 | 0.07 |
Total | 0.55 | 0.21 | 0.24 |
a) Are believing that the earth is warming and being a liberal Democrat mutually exclusive?
- not mutually exclusive
- mutually exclusive
b) What is the probability that a randomly chosen respondent believes the earth is warming or is a liberal Democrat? (please round to four decimal places)
c) What is the probability that a randomly chosen respondent believes the earth is warming given that they are a liberal Democrat? (please round to four decimal places)
d) What is the probability that a randomly chosen respondent believes the earth is warming given that they are a conservative Republican? (please round to four decimal places)
e) Does it appear that whether or not a respondent believes the earth is warming is independent of their party ideology?
- belief in global warming and party ideology are independent
- belief in global warming and party ideology are dependent
f) What is the probability that a randomly chosen respondent is a moderate/liberal Republican given that they do not believe that the earth is warming? (please round to four decimal places)
OpenIntro Statistics
ISBN: 9781943450077
4th Edition
Authors: David Diez, Mine Çetinkaya-Rundel, Christopher Barr