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    Margin of Error of a Confidence Interval

    Hey all, So I have a question that asks to find the margin of error from a confidence interval for a population mean, the confidence interval has a length of 162.6. The only way I can find to obtain the margin of error is with zalpha/2 x standard deviation/ square root of n and I don't have any...
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    How to find the probability of a sampling error made in estimating the population mean?

    Alright, I have been working on my statistics assignment since Monday and I only have two questions left, dealing with the probability of a sampling error. Unfortunately, I cannot find anything in my notes and only a brief example in my textbook that does not explain the concepts behind the...