# Math 221-The Table To The Right Shows The Results Of A Survey

The table to the right shows the results of a survey in which 2586adults from Country A,1140adults from Country B, and 1065adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b), and (c). (a) Construct a 90% confidence interval for the proportion of adults from Country Upper ACountry A who say human activity contributes to global warming. Adults who say that human activity contributes to global warmingCountry A67%CountryB87%CountryC95%

# Math 221-The Table To The Right Shows The Results Of A Survey

The table to the right shows the results of a survey in which 2558adults from Country A,1103adults from Country B, and 1078adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b), and (c). (a) Construct a 90% confidence interval for the proportion of adults from Country A who say human activity contributes to global warming. (b) Construct a 90% confidence interval for the proportion of adults from Country B who say human activity contributes to global warming. (C) Construct a 90% confidence interval for the proportion of adults from Country C who say human activity contributes to global warming. Adults who say that human activity contributes to global warming Country A67%Country B90%Country C95%`