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 19:30
Measure of angles 31 (x+4) (3x+9) me
Answers: 1
question
Mathematics, 21.06.2019 20:30
Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4
Answers: 1
question
Mathematics, 21.06.2019 22:00
Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?
Answers: 2
question
Mathematics, 21.06.2019 23:30
Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b
Answers: 3
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, 02.03.2020 18:23