In a Harris poll, adults were asked if they are In favor of abolishing the penny

Question

In a Harris poll, adults were asked if they are In favor of abolishing the penny. Among the responses, 1205 answered "no," 489 answered "yes," and 397 had no opinion. What is the sample proportion of yes responses, and what notation is used to represent it? Choose the correct answer below. p = 0.234. The symbol p is used to represent a sample proportion, p = 0.289. The symbol p is used to represent a sample proportion. p = 0.234. The symbol p is used to represent a sample proportion. p = 0.289. The symbol p is used to represent a sample proportion.

Explanation / Answer

Sample proportion p = x / n = 489 / 2091 = 0.23386

                                               where n = 1205 + 489 + 397 = 2091

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