Thursday

January 29, 2015

January 29, 2015

Posted by **CM** on Monday, September 28, 2009 at 3:49pm.

I think I use mean (500) + z-score * SD (100), but I do not know how to get the z-score?

- stats -
**economyst**, Monday, September 28, 2009 at 10:06pmYou dont need a z-score for this problem. A normal distribution means that half the observations are above the mean, half below. The answer is 50%

**Answer this Question**

**Related Questions**

CRJ303-Statistics question - Re-worded from the "Study Questions" part of ...

statistics - The distribution of scores on the SAT is approx. normal with mu= ...

statistics - every year thousands of students take the SAT'S. Recent trends show...

statistics - sat scores around the nation tend to have a mean score of about 500...

statistics - Every year thousands of students take the SAT'S. RECENT TRENDS SHOW...

bus. stats - Given that math SAT scores are normally distributed (follow the ...

bus. stats - Given that math SAT scores are normally distributed (follow the ...

statistics - Suppose scores on the mathematics section of the SAT follow a ...

statistics - Suppose scores on the mathematics section of the SAT follow a ...

statistics - SAT scores are normally distributed. The SAT in English has a mean ...