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(Round to two decimal places as needed.)

(Round to two decimal places as needed.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random samples of 1051 adults from Country A, 1120 adults from Country B, 1048 adults from Country C, and 1013 adults from Country D. At a=0.05, can you support the claim that the proportion of adults in Country B who favor building new nuclear power plants in their country is different from the proportion of adults from Country C who favor building new nudear power plants in their country? Assume the random samples are independent. Country A 53% Country B 47% Country C 46% OCountry D 34% Identify the claim and state Ho and H- The claim is "the proportion of adults in Country B who favor building new nuclear power plants in their country is different than the proportion of adults from Country C who favor building new nuclear power plants in their country." Let p, represent the population proportion for Country B and P2 represent the population proportion for Country C. State Hg and H. Choose the correct answer below. O C. Ho: P1 SPP2 Zda d:0H V O H P P2 Zd = 'd:"H OF. Ho: P1 P2 OD. Ho: P1 2 P2 OE Ho: P1 <P2 dz 'd:"H Zds 'd:"H Find the standardized test statistic. z= (Round to two decimal places as needed.)
Transcribed Image Text:Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants in their country. The survey included random samples of 1051 adults from Country A, 1120 adults from Country B, 1048 adults from Country C, and 1013 adults from Country D. At a=0.05, can you support the claim that the proportion of adults in Country B who favor building new nuclear power plants in their country is different from the proportion of adults from Country C who favor building new nudear power plants in their country? Assume the random samples are independent. Country A 53% Country B 47% Country C 46% OCountry D 34% Identify the claim and state Ho and H- The claim is "the proportion of adults in Country B who favor building new nuclear power plants in their country is different than the proportion of adults from Country C who favor building new nuclear power plants in their country." Let p, represent the population proportion for Country B and P2 represent the population proportion for Country C. State Hg and H. Choose the correct answer below. O C. Ho: P1 SPP2 Zda d:0H V O H P P2 Zd = 'd:"H OF. Ho: P1 P2 OD. Ho: P1 2 P2 OE Ho: P1 <P2 dz 'd:"H Zds 'd:"H Find the standardized test statistic. z= (Round to two decimal places as needed.)
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