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 90% confident interval for the proportion of 20 five-year-old children that believe in Santa Clause is (0.790, 1.01). Would it be believable if you were told that only 50% of five-year old children believe in Santa Clause?
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Yes
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No
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -Level of significance is a statistical term for how willing you are to be wrong. With a 95 percent confidence interval, you have a 5 percent chance of being wrong. With a 90 percent confidence interval, you have a 10 percent chance of being wrong.
Detailed explanation-2: -Strictly speaking a 95% confidence interval means that if we were to take 100 different samples and compute a 95% confidence interval for each sample, then approximately 95 of the 100 confidence intervals will contain the true mean value ().
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