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A sample survey contacted an SRS of 2854 registered voters shortly before the 2012 presidential election and asked respondents whom they planned to vote for.

A sample survey contacted an SRS of 2854 registered voters shortly before the 2012 presidential election and asked respondents whom they planned to vote for. Election results show that 51% of registered voters voted for Barack Obama. We will see later that in this situation the proportion of the sample who planned to vote for Barack Obama (call this proportion V) has approximately the Normal distribution with mean = 0.51 and standard deviation = 0.009.

In fact, 49% of the respondents said they planned to vote for Barack Obama (V = 0.49). If respondents answer truthfully, what is P(V 0.49)?

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