A sample of size n = 100 is taken from a population that

Chapter , Problem 8

(choose chapter or problem)

A sample of size n = 100 is taken from a population that has a proportion p = 1/5.

a. Find \(\delta\) such that \(P(|\hat{p}-p| \geq \delta)=0.025\).

b. If, in the sample, \(\hat{p}=0.25\), will the 95% confidence interval for p contain the true value of p?

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