Mathematics, 05.05.2021 18:40, kayeeii
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?
Answers: 3
Mathematics, 21.06.2019 19:30, taylor511176
Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?
Answers: 1
Mathematics, 22.06.2019 02:30, EBeast7390
In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?
Answers: 1
HELP!!! 1. In a simple random sample of 400 adults, living in the United States, 77 had no health in...
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