(adsbygoogle = window.adsbygoogle || []).push({}); Probability Questions: urgent help needed

I am having a pretty hard time differentiating between the difference between these two things:

Mutually Exclusive, and Independant. When do you know which formula to use?

The same thing applies with *And* and *Or* problems.

I understand how to use the formulas, but I'm having a hard time deciding which category a problem actually goes into. Without knowing which category it goes into all my actualy knowledge is pretty much useless! Please help me, I have a math test on this tommorow.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Probability Questions: help needed

**Physics Forums | Science Articles, Homework Help, Discussion**