# Equation issue

1. Oct 29, 2005

### jimmie 88

Hello, could use a hand with this,
(100) (.2)X(.8) 100-X =
2

This equation is written in this format and I can't remember wether I should devide 100 by 2 or use the 2 as part of the multiplication. Thanks

2. Oct 29, 2005

### Pengwuino

Is this what you are trying to write out?

$$(100)(0.2x)(.8)(100 - x) = 2$$

3. Oct 29, 2005

### ComputerGeek

I am confused by your grouping here.

if you can clear it up a bit I think I can help you out.

4. Oct 30, 2005

### HallsofIvy

Staff Emeritus
Please to do not double post! You posted this in the homework section and I responded there.

(This is a binomial distribution problem.)