Thursday

July 31, 2014

July 31, 2014

Posted by **chelsa** on Tuesday, May 31, 2011 at 11:35am.

deviation of 15 minutes. What is the probability that a student chosen at random will finish the test in more

than 110 minutes?

- math -
**PsyDAG**, Wednesday, June 1, 2011 at 2:53amZ = (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.

**Related Questions**

probability - suppose that the times taken to complete an online test are ...

Probability - The time required for a citizen to complete the 2000 U.S. Census "...

math - the courier service company has found that their time of parcels to ...

stat - An employer wants to set a time limit so that 75% of the employees will ...

statistics - An employer wants to estimate to set a time limit so that 75% of ...

statistics - The times taken to complete a statistics test by all students are ...

statistics - The times taken to complete a statistics test by all students are ...

Statistics - A hospital claims that the mean waiting time at its emergency room...

probability - normally distributed with a mean of 40 minutes and a standard ...

statistics - Times for a surgical procedure are normally distributed. There are ...