This applet allows users to drag sliders to change the population proportion, confidence level and sample size. The applet helps users visualize the meaning of the phrase "C% confidence," by showing ...
Problem:<BR>Construct a 90% confidence interval for the population proportion.<BR>200 of 500 => 40%<BR><BR>Because I have the answers, I know that the reliability coefficient is<BR>z: z alpha/2 = z.05 ...
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