The Damon family owns a large grape vineyard in western New York along Lake Erie

Question

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 At the, 10 significance level, can we conclude that there is a difference in the proportion of vines infested using pernod 5 as opposed to Action? State the decision rule. Compute the pooled proportion. Compute the value of the test statistic. What is your decision regarding the null hypothesis?

Explanation / Answer

The Damon family owns a large grape vineyard in western New York along Lake Erie

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