Posted by **Alison** on Monday, December 17, 2012 at 11:16pm.

An economist found that a random sample of 42 high school teachers had an average annual salary of $56,490. A previous study showed that the population standard deviation is $4150. Find the 99% confidence interval for µ, the average annual salary of all high school teachers.

## Answer This Question

## Related Questions

- Statistics - An economist found that a random sample of 42 high school teachers ...
- Statistics - 1. A study of 40 people found that they could do on the average15 ...
- Statistics - 1. A study of 40 people found that they could do on the average15 ...
- probs & stats - 1. A study of 40 people found that they could do on the ...
- Statistics - The average annual salary of employees at Wintertime Sports was $28...
- college stats - help please!!! 1. The average number of bumped passengers per ...
- statistics - A consumer magazine has contacted a simple random sample of 33 ...
- statistics - you are asked to estimate the average weight of an adult male ...
- Statistics - In a random sample of 50, the average is 3987 with a population ...
- Statistics - suppose a random sample of 360 students is drawn form a population ...

More Related Questions