FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The EPA has determined that safe drinking water should contain no more than 1.3 mg/L of copper, on average. To test water from a new source, you collect water in small bottles at each of 30 randomly selected locations/ The mean copper content of your bottles is 1.36 mg/L. You perform a test of Ho:
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Since our p-value of 0.0391 is more than 5%, we reject the null hypothesis. We have convincing evidence that the mean copper content of your bottles is greater than 1.3 mg/l.
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Since our p-value of 0.0391 is more than 5%, we fail to reject the null hypothesis. We do not have convincing evidence that the mean copper content of your bottles is greater than 1.3 mg/l.
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Since our p-value of 0.0391 is less than 5%, we reject the null hypothesis. We have convincing evidence that the mean copper content of your bottles is greater than 1.3 mg/l.
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Since our p-value of 0.0391 is less than 5%, we fail to reject the null hypothesis. We do not have convincing evidence that the mean copper content of your bottles is greater than 1.3 mg/l.
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Explanation:
There is 1 question to complete.