Find the standardized test statistic. z= (Round to two decimal places as needed.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Find the standardized test statistic.
100
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 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.
60-
40-
20
Country A 50%
Country B 46%
Country C 45%
Country D 39%
CETTE
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 i the
Let p, represent the population proportion for Country C and p2 represent the population proportion for Country D. State Ho and Ha-
Choose the correct answer below.
OA. Ho: P₁ P2
OB. Ho: P1 P2
Ha: P₁ P₂
OC. Ho: P₁ P2
H₂: P₁ = P₂
На: Р1 < P2
OD. Ho: P1 P2
E. Ho: P₁ SP2
OF. Ho: P1 = P2
Ha: P₁ P₂
Ha: P₁ SP₂
Ha: P₁ P2
Find the standardized test statistic.
z = (Round to two decimal places as needed.)
0-
Transcribed Image Text:100 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 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. 60- 40- 20 Country A 50% Country B 46% Country C 45% Country D 39% CETTE 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 i the Let p, represent the population proportion for Country C and p2 represent the population proportion for Country D. State Ho and Ha- Choose the correct answer below. OA. Ho: P₁ P2 OB. Ho: P1 P2 Ha: P₁ P₂ OC. Ho: P₁ P2 H₂: P₁ = P₂ На: Р1 < P2 OD. Ho: P1 P2 E. Ho: P₁ SP2 OF. Ho: P1 = P2 Ha: P₁ P₂ Ha: P₁ SP₂ Ha: P₁ P2 Find the standardized test statistic. z = (Round to two decimal places as needed.) 0-
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