Hi everyone...
I'm studying for the GRE. I've been focusing on English because I thought my Math isn't bad but..
it turns out I don't know anything when it comes to questions about probability.
I need a lot of help to learn how to set these questions up.

Here's a question from studying last night:
A 7-member committee is formed from a pool of 10 people.
( Read more... )

Hi, I'm pregnant. Really I am. So this'll sound like a homework problem but it's actually a complex hormone-driven craving. I'm working on a script that tries to predict a woman's odds of having a baby on certain days, but it's been a while since I took probability so I was wondering if you could check my math ( Read more... )

I have a probability question, and a solution for it. I also have an incorrect solution, and I want to be sure of the reason that it is incorrect. The question is as follows ( Read more... )

I have a problem with dice. Say I have a single six-sided die. I'm looking to roll the die and achieve a 4+. I know this has a 50% chance of success. If I'm then rolling two dice, what's the chance at least one will roll a 4 ( Read more... )