help me please

ineedhelp1

New member
Joined
Mar 22, 2012
Messages
1
i need help with this:
Given a deck of ten cards numbered one through ten, what's the probability of selcting an even card, not replacing it in the deck, and then selecting five?

 
i need help with this:
Given a deck of ten cards numbered one through ten, what's the probability of selcting an even card, not replacing it in the deck, and then selecting five?
Let E\displaystyle E be the event that the first card is even.
Let F\displaystyle F be the event that the second card is a five.

You want P(EF)=P(FE)P(E)\displaystyle \mathcal{P}(E\cap F)=\mathcal{P}(F|E)\mathcal{P}(E).
 
Top