In a survey of 1000 adults conducted in 2012, the following question was asked: Will humans walk on Mars in the next 25 years? The results of the survey are summarized in the following table. Answer Very likely Somewhat likely Not very likely Not at all likely Not sure Respondents 210 270 340 90 90 If a respondent in the survey is chosen at random, what is the probability that he or she answered with the following? (a) It is very likely or somewhat likely that humans will walk on Mars in the next 25 years. (b) It is not very likely or not at all likely that humans will walk on Mars in the next 25 years.
In a survey of 1000 adults conducted in 2012, the following question was asked: Will humans walk on Mars in the next 25 years? The results of the survey are summarized in the following table. Answer Very likely Somewhat likely Not very likely Not at all likely Not sure Respondents 210 270 340 90 90 If a respondent in the survey is chosen at random, what is the probability that he or she answered with the following? (a) It is very likely or somewhat likely that humans will walk on Mars in the next 25 years. (b) It is not very likely or not at all likely that humans will walk on Mars in the next 25 years.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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In a survey of 1000 adults conducted in 2012, the following question was asked: Will humans walk on Mars in the next 25 years? The results of the survey are summarized in the following table.
| Answer | Very likely |
Somewhat likely |
Not very likely |
Not at all likely |
Not sure |
|---|---|---|---|---|---|
| Respondents | 210 | 270 | 340 | 90 | 90 |
If a respondent in the survey is chosen at random, what is the probability that he or she answered with the following?
(a) It is very likely or somewhat likely that humans will walk on Mars in the next 25 years.
(b) It is not very likely or not at all likely that humans will walk on Mars in the next 25 years.
(b) It is not very likely or not at all likely that humans will walk on Mars in the next 25 years.
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