The table to the right shows the results of a survey in which 2558 adults from C

Question

The table to the right shows the results of a survey in which 2558 adults from Country A, 1114 adults from Country B, and 1074 adults from Country C were asked if they believe climate change poses a large threat to the world. Complete parts (a), (b), and (c). Does climate change pose a large threat to the world? Yes 30% 53% 9% Country 99% CI (0.277,0.323) (0491,0569) |(0254,0326) 2 (a) Determine whether it is reasonably possible that the proportion of adults from Country A and the proportion of adults from Country B are equal and explain your reasoning. Choose the correct answer below O A. Yes, because the two confidence intervals do not overlap. 0 B. Yes, because the two confidence intervals overlap. c. No, because the two confidence intervals do not overlap 0 D. No, because the two confidence intervals overlap (b) Determine whether it is reasonably possible that the proportion of adults from Country B and the proportion of adults from Country C are equal and explain your reasoning. Choose the correct answer below o A. Yes, because the two confidence intervals do not overlap. O B. No, because the two confidence intervals overlap C. No, because the two confidence intervals do not overlap 0 D. Yes, because the two confidence intervals overlap.

Explanation / Answer

b ) No because the 2 confidence intervals do not overlap.

Both the intervals are mutually exclusive.

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