Question

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 (to 2 decimals)

Answer 1

The point estimate is 0.88

Explanation:

Given

`n = 2000` -- sample size

`x = 1760` -- adults who think future health of social security is a major economic concerm

Required

Determine the point estimate

This is calculated as:

`\hat p= (x)/(n)`

`\hat p= (1760)/(2000)`

`\hat p = 0.88`

The point estimate is 0.88