Posted by **Anonymous** on Wednesday, October 1, 2008 at 3:50pm.

The weekly salaries of 100 recent graduates of a private women's college are normally distributed with a mean of $600 and a standard deviation of $80. Determine the interval about the sample mean that has a 1% level of confidence. Use t=2.58

I don't know.

600/sqrt100

60

80+-2.58*60

2334.8 and -74.8

- Math -
**economyst**, Wednesday, October 1, 2008 at 5:34pm
Its 600 +_ 2.58*80

## Answer this Question

## Related Questions

- Math - The weekly salaries of 100 recent graduates of a private women's college ...
- Pre-calculus - Th weekly salaries of a sample of 100 recent graduates of a ...
- STAT - 1. In a study of the income of U.S. factory workers, a random sample of ...
- math - The National Center for Education surveyed 4400 college graduates about ...
- statistics - The National Center for Education surveyed 4400 college graduates ...
- stastics - Salaries of 31 college graduates who took a course in college have a ...
- Statistics - The distribution of weekly salaries at a large company is reverse J...
- statistics - The distribution of weekly salaries at a large company is right ...
- statistics - A survey found that women's heights are normally distributed with ...
- statistic - Suppose a 95% confidence interval for the mean salary of college ...