Mathematics, 14.03.2020 01:53, 66468
The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn about the major economic concerns for the future (Consumer Reports, January 2009). The survey results showed that 1760 of the respondents think the future health of Social Security is a major economic concern. a. What is the point estimate of the population proportion of adults who think the future health of Social Security is a major economic concern. b. At 90% confidence, what is the margin of error?c. Develop a 90% confidence interval for the population proportion of adults who think the future health of Social Security is a major economic concern. d. Develop a 95% confidence interval for this population proportion.
Answers: 2
Mathematics, 21.06.2019 16:50, maymayrod2000
Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?
Answers: 1
Mathematics, 21.06.2019 19:30, osnielabreu
The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 2
Mathematics, 21.06.2019 21:00, ayoismeisalex
Me! i will mark brainliest! i don't get polynomials and all that other stuff. so this question is really hard. multiply and simplify.(x - 4) (x^2 – 5x – 6)show your
Answers: 2
The Consumer Reports National Research Center conducted a telephone survey of 2000 adults to learn a...
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