September 14, 2004

The Binomial Distribution

The probability of heads is p and the probability of tails is 1-p. We will toss 4 fair coints and try to think about tossing n fair coins.

P9140014a.jpg

We can find a general way to count the rearrangements of where the x heads occur. We agreed on the following results (lecture notation and textbook notation):

P9140016a.jpg

Fuzzy Fact:

P9140016b.jpg

They are equal!

Posted by bparke at September 14, 2004 08:26 PM