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Back to 8.3 A Population Proportion

8.3 Exercise 6

Avg difficulty 2.5

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, exercise 6

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