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A pollster took a random sample of 100 students from a large university and computed...

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A pollster took a random sample of 100 students from a large university and computed a confidence interval to estimate the percentage of students who were planning to vote in the upcoming election. The pollster felt that the confidence interval was too wide to provide a precise estimate of the population parameter. What could the pollster have done to produce a narrower confidence interval that would produce a more precise estimate of the percentage of all university students who plan to vote in the upcoming election?A. Increase the sample size to 150.B. Increase the confidence level to 99%.C. Both a and bD. None of the above

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