Posted by **kelly** on Sunday, February 10, 2013 at 4:01pm.

The mean scale score on the mathematics examinatin of ninth graders in Texas was 86 with a standard deviation of 5 points. Given a student was selected at random what is the probability that his score was 91 or higher

- statistics -
**MathGuru**, Sunday, February 10, 2013 at 5:50pm
See your other post.

## Answer This Question

## Related Questions

- statistics - The mean scale score on the mathematics examinatin of ninth graders...
- statistics - The mean scale score on the mathematics examinatin of ninth graders...
- statistics - the mean scale score on the mathematics examination of ninth grade ...
- statistics - A large school district would like to estimate the mean score for ...
- Statistics - Suppose that two different tests A and B are to be given to a ...
- statistics - So if a depression scale has 30 items in it, and if an individual ...
- statistics - So if a scale has 30 items in it, and if an individual gets a score...
- statistics - SAT scores are normally distributed. The SAT in English has a mean ...
- statistics - Can you please tell me how to solve for the following? Pedro took ...
- statistics - Sign in Assume that the mean score on a certain aptitude test ...

More Related Questions