SOLUTION: You draw a sample from the population of a town (n=312) and find out that of this sample, 23% are highly educated and 27% are low-educated. What is the 80% confidence level for the

Algebra ->  Probability-and-statistics -> SOLUTION: You draw a sample from the population of a town (n=312) and find out that of this sample, 23% are highly educated and 27% are low-educated. What is the 80% confidence level for the      Log On


   

Question 1026625: You draw a sample from the population of a town (n=312) and find out that of this sample, 23% are highly educated and 27% are low-educated. What is the 80% confidence level for the proportion of highly educated people in this town?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
You draw a sample from the population of a town (n=312) and find out that of this sample, 23% are highly educated and 27% are low-educated. What is the 80% confidence level for the proportion of highly educated people in this town?
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sample proportion = p-hat = 0.23
ME = 1.2816*sqrt[0.23*0.77/312] = 0.0305
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80% CI:: 0.23 - 0.0305 < p < 0.23 + 0.0305
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Cheers,
Stan H.
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