Sunday

February 1, 2015

February 1, 2015

Posted by **Nathan** on Wednesday, March 25, 2009 at 9:16pm.

- Probability -
**drwls**, Wednesday, March 25, 2009 at 9:22pm97.72%

Use the tool at

http://psych.colorado.edu/~mcclella/java/normal/accurateNormal.html

- Probability -
**Nathan**, Wednesday, March 25, 2009 at 9:25pmIs there anyway you could explain that to me so I can understand it?

- Probability -
**economyst**, Thursday, March 26, 2009 at 9:19am1 hour is 20 minutes = 2 standard deviations away from the mean. Your stats book should have a cumulative normal distribution table. Look up 2.0 in the table. I get .9772. Ergo, 97.72% will require less than an hour.

**Answer this Question**

**Related Questions**

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

math - The time required to finish a test in normally distributed with a mean 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 ...

Stats - Suppose the time it takes for a purchasing agent to complete an online ...

statistics - Let x denote the time taken to run a road race. Suppose x is ...

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

statisticss - The time taken by a man to deliver milk is normally distributed ...

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

probability - 1. The time it takes a student to cycle to school is normally ...