In a Harris poll, adults were asked if they are in favor of abolishing the penny. Among the responses, 1221 answered "no." 493 answered "yes" and 306 had ne opinion. What is the sample proportion of yes responses, and what notation is used to represent a Choose the correct answer below OA. p=0.235. The symbol p is used to represent a sample proportion OB. p=0.288 The symbol p is used to represent a sample proportion OC. -0.288 The symbol p is used to represent a sample proportion OD. -0.235. The symbol p is used to represent a sample proportion