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?

answer: apothems is your answer

step-by-step explanation: hope u get it right

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.

one fourth of 9% = 2.25%

gavin is correct in saying : the equivalent quarterly interest rate would be

2.25%.

b

step-by-step explanation:

multiply terms on numerator/ denominator by (x - 1)

= ← distribute numerator/ denominator

= ← simplify

=

= → b