My Math Forum

My Math Forum (http://mymathforum.com/math-forums.php)
-   Probability and Statistics (http://mymathforum.com/probability-statistics/)
-   -   Simple Probability Question (http://mymathforum.com/probability-statistics/37760-simple-probability-question.html)

ChidoriPOWAA August 26th, 2013 01:45 PM

Simple Probability Question
 
Let

I want to find the smallest integer x so that .

I started like this:

but here the teacher's answer said:

Why is this better? Is it because the Poisson distribution is discrete? Or is there something arithmetically I've missed?

mathman August 26th, 2013 03:56 PM

Re: Simple Probability Question
 
X ? x-1 is equivalent to X < x, when x and X are integers.

The teacher is quibbling.

ChidoriPOWAA August 26th, 2013 04:02 PM

Re: Simple Probability Question
 
Alright, thanks!


All times are GMT -8. The time now is 04:47 AM.

Copyright © 2019 My Math Forum. All rights reserved.