Friday

April 18, 2014

April 18, 2014

Posted by **Jen** on Thursday, October 25, 2012 at 10:35pm.

(A) What percentage of Americans earn below $19,000?

(B) What percentage of Americans earn above $40,000?

- math -
**PsyDAG**, Saturday, October 27, 2012 at 12:15amZ = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/percentages related to the Z scores.

**Related Questions**

Statistics - The average annual salary of employees at Wintertime Sports was $28...

Math - Assume that the average annual salary for a worker in the United States ...

precalc - Assume that this year, n = 1, the average annual salary for women in ...

math - Assume that the average annual salary for a worker in the United States ...

TRIG - A WORKER PRESENT SALARY IS 24 PER ANNUM HIS ANUAL INCREMENT IS 10% OF HIS...

Statistics - Assume that the average annual salary for a worker in the United ...

algebra - The expression: 553.7x + 27,966 Can be used to approximate the average...

Science - What is the starting salary, average annual salary, and top salary for...

Science - What is the salary, top salary, and average annual salary for an ...

math - THE EXPRESSION:553.7X+27,966 CAN BE USED TO APPROXIMATE THE AVERAGE ...