Posted by **Devika** on Monday, July 16, 2012 at 12:29pm.

You are getting ready to take a sample from a large population, and need to determine the appropriate sample size. You are estimating sales at a large chain of department stores. A previous survey from the same population found a standard deviation of $18. What sample size is needed to have a 95% confidence of estimating the population mean within plus/minus $5? Show your work.

## Answer This Question

## Related Questions

- math - A health inspector wants to check compliance with a new city ordinance on...
- math - A health inspector wants to check compliance with a new city ordinance ...
- Math - A health inspector wants to check compliance with a new city ordinance on...
- algebra - A health inspector wants to check compliance with a new city ordinance...
- algebra - A health inspector wants to check compliance with a new city ordinance...
- Math - A health inspector wants to check compliance with a new city ordinance on...
- Statistics - You are interested in estimating the mean of a population. you plan...
- statistics help - The branch manager of an outlet (Store 1) of a nationwide ...
- statistics - Determine the sample size required to estimate a population ...
- Statistics (39) - Suppose a random sample of size 40 is selected from a ...

More Related Questions