Show that a Binomial (n,p) random variable is a sum of n iid Bernoulli (p) random variables???
plz help wit dis...
Ok, on one condition... Never say "plz help wit dis..." again.
Bernoulli's have mass function for
Now, Binomial has mass function for
i.e.,
What are you starting to see?
Wait I thought of an easier way to explain this...