Tuesday

July 22, 2014

July 22, 2014

Posted by **Denise** on Wednesday, May 22, 2013 at 2:36am.

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!!

- Math Models -
**Steve**, Wednesday, May 22, 2013 at 11:39amthis just involves using the Z table.

890 is 140 away from the mean.

That's 140/70 = 2σ

So, find where Z>2. That's your probability. To play around some with this, visit

http://davidmlane.com/hyperstat/z_table.html

**Related Questions**

Math - The scores on a standardized test are normally distributed with the mean ...

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 ...

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 ...

statistics probability - Alice earned a score of 940 on an IQ test.The mean test...

Math - The scores of students on standardized test are normally distributed with...