Thomas Basbøll writes:
A statistical question has been bugging me lately. I recently heard that Yuti Milner has donated 100 millions dollars to 10-year search for Extraterrestrial Intelligence.
I’m not very practiced in working out probability functions but I thought maybe you or your readers would find it easy and fun to do this. Here’s my sense of the problem:
Suppose there are 1 million civilizations in the Galaxy. Suppose they are all sending us a strong, unambiguous signal. Suppose we listen continuously in all directions and suppose we’re right about what frequencies to listen to. What are the odds of detecting …read more