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Probability of getting a sample proportion

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Candidate Jones believes she will receive .55 of the total votes cast in her county. However, in an attempt to validate this figure, her pollster contacts a random sample of 600 registered voters in the county. The poll results show that 298 of the voters say they are committed to voting for her. If she actually has .55 of the total vote,

With that being said what is the probability of getting a sample proportion this small or smaller? would she actually have 55% of the vote? Could I get this explained?

Reference no: EM132073315

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