subject
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?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:10
Which point is a solution to y s 4x + 5?
Answers: 2
question
Mathematics, 21.06.2019 20:30
Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.
Answers: 1
question
Mathematics, 21.06.2019 21:20
The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %
Answers: 3
question
Mathematics, 21.06.2019 22:00
Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).
Answers: 1
You know the right answer?
HELP!!! 1. In a simple random sample of 400 adults, living in the United States, 77 had no health in...
Questions
question
Biology, 24.04.2021 01:40
question
Chemistry, 24.04.2021 01:40
question
Physics, 24.04.2021 01:40
question
Mathematics, 24.04.2021 01:40
Questions on the website: 13722362