arketed: Pernod 5 and Action. To test their effectiveness, three long rows were selected and prayed with Pernod 5, and three others were sp grapes ripened, 400 of the vines treated with Pernod 5 were checked for infestation. Likewise, a sample of 400 vines sprayed with Action v secticide Number of vines checked Number of infested vines rnod 5 400 24 tion 400 40 ppose the we want to test at the .05 significance level, whether we can conclude that there is a difference in the proportion of vines infester posed to Action. Which of the following would be incorrect ? ct one:
arketed: Pernod 5 and Action. To test their effectiveness, three long rows were selected and prayed with Pernod 5, and three others were sp grapes ripened, 400 of the vines treated with Pernod 5 were checked for infestation. Likewise, a sample of 400 vines sprayed with Action v secticide Number of vines checked Number of infested vines rnod 5 400 24 tion 400 40 ppose the we want to test at the .05 significance level, whether we can conclude that there is a difference in the proportion of vines infester posed to Action. Which of the following would be incorrect ? ct one:
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
![Two grapevines must be sprayed at the beginning of the growing season to protect against various insects and diseases. Two new insecticides have just been
marketed: Pernod 5 and Action. To test their effectiveness, three long rows were selected and prayed with Pernod 5, and three others were sprayed with Action. When
the grapes ripened, 400 of the vines treated with Pernod 5 were checked for infestation. Likewise, a sample of 400 vines sprayed with Action were checked. The results
are:
Insecticide
Number of vines checked
Number of infested vines
Pernod 5
400
24
Action
400
40
Suppose the we want to test at the .05 significance level, whether we can conclude that there is a difference in the proportion of vines infested using Pernod 5 as
opposed to Action. Which of the following would be incorrect ?
Select one:
a.Ho: Tp = Ma ; H1: np # Ma
b. All answers are correct.
O c.The proportion infested is not the same in the two fields
O d.
P.=
400 + 400
24+ 40
=0.08
0.06 – 0.10
-2.09
(0.08)(0.92) (0.08)(0.92)
400
400](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fde1da679-b360-4712-b298-5c18be8f5c44%2F7623ad97-1f6d-4fa2-8d99-a064ce4b4e39%2Fjb5a5cb_processed.png&w=3840&q=75)
Transcribed Image Text:Two grapevines must be sprayed at the beginning of the growing season to protect against various insects and diseases. Two new insecticides have just been
marketed: Pernod 5 and Action. To test their effectiveness, three long rows were selected and prayed with Pernod 5, and three others were sprayed with Action. When
the grapes ripened, 400 of the vines treated with Pernod 5 were checked for infestation. Likewise, a sample of 400 vines sprayed with Action were checked. The results
are:
Insecticide
Number of vines checked
Number of infested vines
Pernod 5
400
24
Action
400
40
Suppose the we want to test at the .05 significance level, whether we can conclude that there is a difference in the proportion of vines infested using Pernod 5 as
opposed to Action. Which of the following would be incorrect ?
Select one:
a.Ho: Tp = Ma ; H1: np # Ma
b. All answers are correct.
O c.The proportion infested is not the same in the two fields
O d.
P.=
400 + 400
24+ 40
=0.08
0.06 – 0.10
-2.09
(0.08)(0.92) (0.08)(0.92)
400
400
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