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Mathematics, 06.05.2020 04:35 chloesmolinski0909

Excluding voters for third‑party candidates, approximately 52% of the voters in Virginia's 2012 presidential election voted for Barack Obama, with the other 48% voting for Mitt Romney. In modern presidential politics, the vote in Virginia this year was not particularly close. Obama fairly easily won more than 50% of the votes, claiming Virginia's 13 electoral college votes. Use the Statistical Applet: Confidence Intervals for Proportions to simulate what might have happened in 25 pre‑election polls, with each poll including a sample size of 250 people. Click RESET. Set p to 0.52 and n to 250 . Click SAMPLE 25. Inspect the 95% confidence intervals of these 25 simulated polls. How many of them include the true population proportion of 0.52 ?

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Excluding voters for third‑party candidates, approximately 52% of the voters in Virginia's 2012 pres...

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