A directory of useful objects found on the web for teaching Maths.
simulate repeated random sampling, for a variety of values of p and a range of sample sizes, to illustrate the distribution of pˆp̂ and the approximate standard normality of pˆ −p(pˆ(1−pˆ)/n√p̂ -p(p̂(1-p̂)/n where the closeness of the approximation depends on both n and p.
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