FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A random sample of 40 students has a test score with mean = 81.5. Assume the population standard deviation is 10.2. Construct the confidence interval for the population mean, mu, if c = 0.90.
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(78.8, 84.2)
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(66.3, 89.1)
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(51, 8, 92.3)
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(71.8, 93.5)
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Explanation:
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