Monday

July 28, 2014

July 28, 2014

Posted by **Gee** on Thursday, September 6, 2012 at 12:54pm.

- statistics -
**MathGuru**, Thursday, September 6, 2012 at 6:18pmUse z-scores.

Formula:

z = (x - mean)/sd

With your data:

z = (520 - 516)/20

I'll let you finish the calculation.

- statistics -
**Anonymous**, Monday, September 10, 2012 at 12:00pm0.2

**Related Questions**

statistics - The lifetime of a 2- volt non- rechargeable battery in constant use...

statistics - The lifetime of a 2-volt non-rechargeable battery in constant use ...

Statistics - The lifetime of a 2-volt non-rechargeable battery in contant use ...

Statistics - The lifetime of a 2-volt non-rechargeable battery in contant use ...

statistics - The lifetime of a 2 volt non- rechargeable battery has a normal ...

statistics - The lifetime of a 2 volt non-rechargeable battery has a normal ...

Statistics - The lifetime of a certain smart phone battery has an unknown ...

Statistics - The lifetime of a certain smart phone battery has an unknown ...

math - The lifetime of a SuperTough AAA battery is normally distributed with ...

Math - The lifetime of a SuperTough AAA battery is normally distributed with ...