Question

In: Statistics and Probability

The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...

The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,720 of the respondents think the future health of Social Security is a major economic concern.

If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values.

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 (to 4 decimals)?

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 (to 3 decimals).

( ,  )

d. Develop a 95% confidence interval for this population proportion (to 3 decimals).

( ,  )

Solutions

Expert Solution

a ) Point Estimate

b ) At 90 % CI Margin Of Error is,

ME = 0.0128

c ) At 90 % CI for Proportion is, ( 0.847 , 0.873 )

d ) At 95 % CI,

c ) At 95 % CI for Proportion is, ( 0.845 , 0.875 )


Related Solutions

The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,800 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,740 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,640 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,640 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values . a. What is the point estimate of the population proportion of adults who think the future...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,640 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values . a. What is the point estimate of the population proportion of adults who think the future...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,640 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,660 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 (to...
the Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
the Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,700 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about...
The Consumer Reports National Research Center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The survey results showed that 1,740 of the respondents think the future health of Social Security is a major economic concern. If computing the confidence intervals manually, make sure to use at least three decimal digits for the critical values. a. What is the point estimate of the population proportion of adults who think the future health...
In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1,007 adults to learn about their major healthcare concerns.
You may need to use the appropriate appendix table or technology to answer this question. In the spring of 2017, the Consumer Reports National Research Center conducted a survey of 1,007 adults to learn about their major healthcare concerns. The survey results showed that 581 of the respondents lack confidence they will be able to afford health insurance in the future. (a)What is the point estimate of the population proportion of adults who lack confidence they will be able to...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT