Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants samples of 1128 adults from Country A, 1026 adults from Country B, 1008 adults from Country C, and 1061 adults from Country D. At a = 0.01, can you reject the claim that the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear 80 power plants in their country? Assume the random samples are independent. their country. The survey included random 100- 60- 40- Country A S0% Country B 46% Country C 45% O Country D 39% Identify the claim and state Ho and Ha- The claim is "the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear power plants in their country." Let p, represent the population proportion for Country C and p, represent the population proportion for Country D. State Ho and H. Choose the correct answer below. OC. Ho: P1 #P2 H, P, =P2 OF Ho: P1 =P2 H P *P2 O B. Ho: P1 P2 Ha: P, SP2 H P; > P2 Find the standardized test statistic. z= 2.76 (Round to two decimal places as needed.) Use technology to calculate the P-value. P-value = (Round to four decimal places as needed.)
Use the figure to the right, which shows the percentages of adults from several countries who favor building new nuclear power plants samples of 1128 adults from Country A, 1026 adults from Country B, 1008 adults from Country C, and 1061 adults from Country D. At a = 0.01, can you reject the claim that the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear 80 power plants in their country? Assume the random samples are independent. their country. The survey included random 100- 60- 40- Country A S0% Country B 46% Country C 45% O Country D 39% Identify the claim and state Ho and Ha- The claim is "the proportion of adults in Country C who favor building new nuclear power plants in their country is greater than the proportion of adults from Country D who favor building new nuclear power plants in their country." Let p, represent the population proportion for Country C and p, represent the population proportion for Country D. State Ho and H. Choose the correct answer below. OC. Ho: P1 #P2 H, P, =P2 OF Ho: P1 =P2 H P *P2 O B. Ho: P1 P2 Ha: P, SP2 H P; > P2 Find the standardized test statistic. z= 2.76 (Round to two decimal places as needed.) Use technology to calculate the P-value. P-value = (Round to four decimal places as needed.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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