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

ID: 3154226 • Letter: I

Question

In a Harris poll, adults were asked if they are in favor of abolishing the penny. Among the responses, 1233 answered "no," 463 answered "yes," and 392 had no opinion. What is the sample proportion of yes responses, and what notation is used to represent it?

A. p=0.222 The symbol p is used to represent a sample proportion.

B. p=0.273 The symbol p is used to represent a sample proportion.

C. ^p=0.222 The symbol ^p is used to represent a sample proportion.

D. ^p=0.273 The symbol ^p is used to represent a sample proportion

Explanation / Answer

A sample proportion is symbolized as ^p (“p-hat”) while a population proportion is symbolized as p.

Here total number of respodents is 2088 and yes saying respodent is 463 sp phat =463/2088=0.222

So answer is C. ^p=0.222. The symbol ^p is used to represent a sample proportion

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