Amoebic Generation

Let's start with one amoeba and call it the first generation. It divides into two off-springs. Both of them are equally likely to either survive or die. If it survives, it again divides into two off-springs; and it goes on... In the fourth generation, only two amoebas survive. In how many ways, this is possible?

×

Problem Loading...

Note Loading...

Set Loading...