Finds the sample proportion

Reference no: EM131009370

A taste test has customers tasnte two types of cola drinks and asks which is preferred. An analyst then finds the sample proportion p who prefer Brand 1. The analyst will conclude that customers prefer one brand to the other if a 95% confidence interval for the population proportion p does not include 1>2. Which interval is more likely to include 1>2, the small sample interval discussed in this chapter or the z-interval for the proportion?

Reference no: EM131009370

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