For the Experiment, flip a coin until heads shows, assume that the probability of heads on one flip is 3/5. We define a RV (random variable) X= the number of flip. Prove that the sum of all the probabilities is 1 using the formula for the sum of a geometric series

Question

anonymous · Answer

ok shouldn't be too bad 
want to do it with $\frac{3}{2}$ and $\frac{2}{5}$ or with $p$ and $1-p$ ?

anonymous · Answer

damn first interesting question tonight

anonymous · Answer

@satellite73 I think is with both either, mostly likely w/ p and 1-p. Is probability and statistic course lol

anonymous · Answer

you got this or no?  it is not too hard

anonymous · Answer

@satellite73 no sorry i didnt get a reply for too long that give up waiting :( then move. perphaps some hints or example would good or web site explain this :(