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. 1279 answered no. 450 answered yes. and 389 had no opinion. What is the sample proportion of yes responses. and what notation is used to represent it? Choose the correct answer below. A. p = 0.212. The symbol p is used to represent a sample proportion. B. p cap = 0.260. The symbol p cap is used to represent a sample proportion. C. p = 0.260. The symbol p is used to represent a sample proportion. D. p cap= 0.212. The symbol p cap is used to represent a sample proportion.

Explanation / Answer

The total respondents is 1279 + 450 + 389 = 2118.

Thus, the sample proportion p^ of yes's is

p^ = 450/2118 = 0.212.

Thus, the answer is OPTION D. It has to be p^, as it is just a sample proportion. [ANSWER, OPTION D]

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