A random sample of 4000 US citizens yielded 2250 who are i.pdf

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A random sample of 4000 U.S. citizens yielded 2250 who are in favor of gun control legislation. Estimate the true proportion of all Americans who are in favor of gun control legislation using a 99% confidence interval. Question 1 options: 0.5625 0.6337 0.5625 0.0202 0.4375 0.0202 0.4375 0.6337 A random sample of n measurements was selected from a population with unknown mean and known standard deviation . Calculate a 95% confidence interval for for the given situation. Round to the nearest hundredth when necessary. n = 80, = 65, = 20 Question 3 options: 65 4.38 65 3.68 65 39.2 65 0.49.

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