Friday

November 21, 2014

November 21, 2014

Posted by **Kyle** on Sunday, April 7, 2013 at 10:17am.

- AP Stats (math) -
**Reiny**, Sunday, April 7, 2013 at 11:04amz-score = (25-20.5)/15.4

then look up that z in your tables,

subtract that from 1

that is,

1 - value you looked up

or

you can use one of my favourite websites

http://davidmlane.com/normal.html

Make sure "area from value " is clicked on

enter the mean, the sd, and click on "below" and enter 25

The value of .6149 should agree with the value you found above

**Answer this Question**

**Related Questions**

statistics - According to the Census Bureau's 2002 American Community Survey, ...

statistics - According to the Census Bureau's 2002 American Community Survey, ...

Statistics - 18 workers at a large assembly plant were asked the time it took to...

algebra - THE COMMUTER Sensible Sally has a job that is 35 miles from her home. ...

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

statystics - : Human Resources took a survey and found that the average commute ...

Q Research - 2. The average commute time via train from the Chicago O'Hare ...

stat - The average commute time via train from the Chicago O'Hare Airport to ...

Quantative reserach - 1. The average commute time via train from the Chicago O'...

statistics - A random sample of size 81 is taken from a large population, ...