Posted by **nicole** on Friday, April 16, 2010 at 11:54am.

Assume that the salaries of elementary school teachers in the United States are normally distributed with a mean of $36,000 and a standards deviation of $6000. What is the cutoff salary for teachers in the bottom 10%?

Answer choice:

a. $28,320

b. $43,680

c. $45,870

d. $26,130

- math -
**bobpursley**, Friday, April 16, 2010 at 12:09pm
What is your thinking? http://davidmlane.com/hyperstat/z_table.html

- math -
**Reiny**, Friday, April 16, 2010 at 12:12pm
Nice

http://www.jiskha.com/display.cgi?id=1271428581

- math -
**nicole**, Friday, April 16, 2010 at 12:28pm
ok I got b for the answer is that correct?

- math -
**Damon**, Friday, April 16, 2010 at 1:09pm
If it is for the bottom 10% it must be lower than the mean!

- math -
**nicole**, Friday, April 16, 2010 at 9:39pm
ok so it will be a?

## Answer This Question

## Related Questions

- statistic - Assume that the salaries of elementary school teachers in the United...
- help - Assume that the salaries of elementary school teachers in the U.S. are ...
- math - Can someone assit me with my two math problems Assume that the salaries ...
- Statistics - The average teacher's salary in North Dakota is $41,027. Assume a ...
- Statistics- quick! Is this right? - I need to verify one of my answers quickly...
- Econ/statistics - The monthly earnings of teachers is normally distributed with ...
- math - Assume that the average annual salary for a worker in the United States ...
- Statistics - Assume that the average annual salary for a worker in the United ...
- Math - Assume that the average annual salary for a worker in the United States ...
- math - Assume that the average annual salary for a worker in the United States ...

More Related Questions