a. What is the probability that a respondent 18-29 years of age thinks that glob
ID: 3207030 • Letter: A
Question
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 (to 4 decimals)?
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 (to 4 decimals)?
c. For a randomly selected respondent, what is the probability that a respondent answers yes (to 3 decimals)?
d. Based on the survey results, does there appear to be a difference between ages 18-29 and 30+ regarding concern over global warming?
The input in the box below will not be graded, but may be reviewed and considered by your instructor.
Response Yes Unsure Age 30+ 18-29 293 134 131 432Explanation / Answer
Result:
18-29
30+
yes
134
293
427
no
131
432
563
unsure
2
8
10
267
733
1000
P=131/1000 =0.1310
P=432/1000 =0.4320
P=427/1000 =0.427
d. Based on the survey results, does there appear to be a difference between ages 18-29 and 30+ regarding concern over global warming?
Yes, it appears that difference between ages 18-29 and 30+ regarding concern over global warming.
18-29
30+
yes
134
293
427
no
131
432
563
unsure
2
8
10
267
733
1000
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.