Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 28 Jan 2018 My Price 7.00

Damon family

9.   The Damon family owns a large grape vineyard in western New York along Lake Erie. The 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 sprayed 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 (sample size)

 

Number of Infested Vines

Pernod 5

400

24

Action

400

40

 

 

 

At the .05 significance level, can we conclude that there is a difference in the proportion of vines infested using Pernod 5 as opposed to Action?

 

 

 

 

 


Answers

Maurice Tutor
(5)
Status NEW Posted 28 Jan 2018 11:01 PM My Price 7.00

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