The table to the right shows the results of a survey in which 2555 adults from...
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The table to the right shows the results of a survey in which 2555 adults from Country A, 1118 adults from Country B. and 1070 adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b). and (c). (a) Construct a 99% confidence interval for the proportion of adults from Country A who say human activity contributes to global warming. (0.656,0.704) (Round to three decimal places as needed.) (b) Construct a 99% confidence interval for the proportion of adults from Country B who say human activity contributes to global warming. (0.822, 0.878) (Round to three decimal places as needed.) (c) Construct a 99% confidence interval for the proportion of adults from Country C who say human activity contributes to global warming. (Round to three decimal places as needed.) Adults who say that human activity contributes to global warming Country A Country B Country C 68% 85% 94% The table to the right shows the results of a survey in which 2555 adults from Country A, 1118 adults from Country B. and 1070 adults from Country C were asked if human activity contributes to global warming. Complete parts (a), (b). and (c). (a) Construct a 99% confidence interval for the proportion of adults from Country A who say human activity contributes to global warming. (0.656,0.704) (Round to three decimal places as needed.) (b) Construct a 99% confidence interval for the proportion of adults from Country B who say human activity contributes to global warming. (0.822, 0.878) (Round to three decimal places as needed.) (c) Construct a 99% confidence interval for the proportion of adults from Country C who say human activity contributes to global warming. (Round to three decimal places as needed.) Adults who say that human activity contributes to global warming Country A Country B Country C 68% 85% 94%
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a Country A nA 2555 PA 068 x 001 99 CI Country B B1118 PB 0... View the full answer
Related Book For
Elementary Statistics Picturing the World
ISBN: 978-0321911216
6th edition
Authors: Ron Larson, Betsy Farber
Posted Date:
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