8.2 Confidence Intervals for Single Proportion
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Instructor Overview
In October of 2010, CNN surveyed 888 registered voters in California and found that 53% of them were opposed to Prop 19 (legalization of Marijuana) with a margin of error of 3.5%. (Prop 19 was defeated with 54% voting “No.”) As a reminder, let's identify the parameter and the statistic for this situation.