01 - Estimating Population Proportions, Part 1 - Learn Confidence Intervals in Statistics

This is just a few minutes of a complete course.
Get full lessons & more subjects at: www.MathTutorDVD.com.
In this lesson the student will learn how to estimate population proportions in statistics. We will explore the idea of the confidence interval in order to solve these problems.

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Thank you sir for the explanation. Just some help please. I have calculated the sample proportion and I need to calculate the margin of error(E) but, hasn't been given the LOC to use in the problem. My sample size is greater than 30. How do I get the LOC to use in calculating E? should I just assuem a 95% or 99% LOC?Grateful for your support.

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Why do we need the margin of error when according to the central limit theorem with number of samples size equal to 30 or greater and the standard deviation of the population known, the sample means mean is equal to the mean of the population mean?

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