Californias population in a recent year was reported as 37,691,912 by the U.S. Census Bureau. This makes
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- California’s population in a recent year was reported as 37,691,912 by the U.S. Census Bureau. This makes California the most populated state. Find the sample size required for a survey intended to estimate the percentage of adults in California who use the Internet. Assume a confidence level of 95% and a margin of error of 3.5 percentage points.
- The Los Angeles Times printed the headline “Most California Voters Support Legalizing Recreational Marijuana.” That headline was based on a survey of 1879 Californians, with 1090 of them supporting Proposition 64, which would legalize the personal use of marijuana. Use the survey results to construct a 95% confidence interval estimate of the percentage of California who support legalization of recreational marijuana. Is the claim in the headline supported by the poll finding?
Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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