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 ...

279-285) 8.3 Confidence Interval Estimate for the Proportion (pp. 287-289) 8.4 Determining Sample Size (pp. 290-294) You may omit sections 8.5 Confidence Interval Estimation and Ethical Issues, 8.6 ...

This module covers two sample confidence intervals in more depth, and confidence intervals for population variances and proportions. We will also learn how to develop confidence intervals for ...

yielding an observed proportion of 1/20 or 5%. Using the corresponding value from Table 3 (i.e., 5) and the sample size, we find that the upper limit of the 95% confidence interval will be about 5/20 ...