FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In a simple random sample of 100 cars of a certain popular model in 2010, it was found that 20 had a certain minor defect in the brakes. For an independent SRS of 400 cars of the same model in 2011, it was found that 50 had the same defect. Let p1 and p2 be the proportions of all cars of this model in 2010 and 2011, respectively, that have the defect. We wish to test if the proportion of cars with the defect has decreased from 2010 to 2011. Which of the following is closest to the P-value for this test?
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0.0268
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0.0418
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0.0536
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0.9732
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Explanation:
Detailed explanation-1: -Label each individual in the population with a different label from 1 to “N, ‘’ where N is the total number of individuals in the population. Randomize the way you choose the individuals for the sample. Select the individuals that were chosen by the calculator. 29-Dec-2022
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