Posted by **Maria Elizabeth** on Sunday, December 9, 2012 at 2:37pm.

A provincial politician would like to determine the average amount earned during summer employment by the provinces teenagers during the past summer’s vacation period. She wants to have 95% confidence that the sample mean is within $25 of the actual population mean. Bases on past studies, she knows the amount earned is normally distributed with a standard deviation of $400. What sample size must she take?

## Answer This Question

## Related Questions

- statistics - A provincial politician would like to determine the average amount ...
- English - 1. Where did you visit during the summer vacation? 2. What did you ...
- English - 1. My math exam is tomorrow. 2. Tomorrow is my math exam. 3. Tomorrow ...
- English - 1. What did you do during the summer vacation? 2. What did you do ...
- statistics - a random sample of 20 prices for summer sleeping bags was taken ...
- math - The FunTime Amusement park customer load during the summer follows a ...
- Statistics - The image of the public library is constantly changing, and their ...
- statistics - Does it ever seem to you that the weather is nice during the work ...
- stats - a random sample of 20 prices for summer sleeping bags was taken with a ...
- statistics - The general manager for Gordon's Self Service Gasoline is ...

More Related Questions