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Question 195:

Time/CNN voter polls monitored public opinion for the presidential candidates during the 2000 presidential election campaign. One Time/CNN poll conducted by Yankelovich Partners, Inc., used a sample of 589 likely voters (Time, June 26, 2000). Assume the population proportion for a presidential candidate is p = .50. Let be the sample proportion of likely voters favoring the presidential candidate.


What is E()?
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Calculate () (to 4 decimals).
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