Mathematics, 05.05.2021 19:20 dsawnstevensonp9xhnr

HELP!!! 1. In a simple random sample of 400 adults, living in the United States, 77 had no health insurance coverage. (a) What are the sample, statistic, population, and parameter for this situation?
(b) Find an 80% confidence interval for the true proportion of adults without health insurance coverage.
(d) what is your margin of error for the confidence interval in part b?
(e) a United States senator claims that at least 25% of all adults do not have health insurance coverage: do you believe this claim? Explain why or why not?

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HELP!!! 1. In a simple random sample of 400 adults, living in the United States, 77 had no health in...

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