OpenStax, Statistics §8.3 A Population Proportion · Example 3 · Statistics · Confidence intervals
A Population Proportion · Example 3
A random sample of 25 statistics students was asked: “Have you used a product in the past week?” Six students reported using the product within the past week. Use the plus-four method to find a 95 percent confidence interval for the true proportion of statistics students who use the product weekly.
OpenStax, Statistics · §8.3 A Population Proportion · Example 3
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