Posted by **Alica** on Thursday, March 18, 2010 at 4:46am.

In a normal distribution, what z-score value separates the highest 90% of the scores from the rest of the distribution?

a)z = -1.28

b)z = 1.28

c)z = -0.13

d)z = 0.13

## Answer this Question

## Related Questions

- statistics - The distribution of scores on the SAT is approx. normal with mu= ...
- Statistics - a normal distribution ha am ean of 80 with a standard deviation of ...
- statistics - For a normal distribution with a mean of 140 and a standard ...
- statistics - 2. Why is it important to know the mean and standard deviation for ...
- statistics - In a normal distribution with the mean being 500 and the standard ...
- statistics - In a normal distribution with the mean being 500 and the standard ...
- Math/Statistics - A statistics teacher believes that the final exam grade for ...
- statistics - A normal distribution has a mean of 20 and a standard deviation of ...
- Statistics - In a normal distribution of scores, four participants obtained the...
- Statistics - In a normal distribution of scores, four participants obtained the ...

More Related Questions