Posted by **Denise** on Tuesday, May 21, 2013 at 2:50pm.

The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.

- Math -
**PsyDAG**, Tuesday, May 21, 2013 at 6:40pm
Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.

- Math -
**Denise**, Wednesday, May 22, 2013 at 2:36am
The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890.

This is from my Math Models class. I am not taking Statistics. Please someone show me how to do answer this-I don't just want an answer. I want the steps!!

## Answer This Question

## Related Questions

- Math Models - The scores on a standardized test are normally distributed with ...
- statistics - the admissions policy at a certain university requires that ...
- statistics - the admissions policy at a certain university requires that ...
- Stats - Suppose that a random sample of adults has a mean score of on a ...
- math - The distriubution of the SAT scores in math for an incoming class of ...
- algebra 2 - The average score on a standardized test is 750 points with a ...
- statistics - Can you please tell me how to solve for the following? Pedro took ...
- statistics - The Intelligence Quotient (IQ) test scores are normally distributed...
- Math - Suppose scores on an IQ test are normally distributed. If the test has a...
- Math - Suppose scores on an IQ test are normally distributed. If the test has a ...

More Related Questions