FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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An inspector monitors large truckloads of potatoes to determine the true proportion, pi, of potatoes with major defects. She selects a simple random sample of 50 potatoes from a truckload of more than 2000 potatoes. Suppose that only 2 of the 50 potatoes sampled are found to have major defects. Which one of the following assumptions for inference about a proportion using a confidence interval is violated?
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n(p-hat) >= 10
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n(1-p-hat) >= 10
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10n <= N
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There are not violations.
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Explanation:
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