Posted by **Anonymous** on Sunday, June 10, 2012 at 7:19pm.

A researcher wishes to estimate, with 95% confidence, the proportion of adults who have high-speed internet access. Her estimate must be accurate within 4% of the true proportion. A) Find the minimum sample size needed, using a prior study that found that 54% of the respondents said they have high-speed internet access. B) No preliminary estimate is available. Find the minimum sample size needed.

a) What is the minimum sample size needed, using a prior study that found that 54% of the respondents said they have high-speed internet access?

## Answer This Question

## Related Questions

- statistics - A researcher wishes to estimate with 95% confidence the proportion ...
- Elementary Statistics - 1) Construct a confidence interval of the population ...
- Statistics - A researcher wishes to estimate the proportion of adults who have ...
- statistics - You are a travel agent and wish to estimate, with 98% confidence, ...
- stats - You are a travel agent and wish to estimate, with 95% confidence, the ...
- statistics - please help - A researcher wishes to be 95% confident that her ...
- Statistics - In a prior sample of U.S. adults, the Center for Disease Control (...
- Stat Help - A researcher wishes to be 95% confident that her estimate of the ...
- Introduction to statistics - A researcher would like to estimate the population ...
- mpc - A reasearcher wishes to be 95% confident that her estimate of the ...

More Related Questions