Comandant Dick the 1st left his native planet on board of his star ship
Comandant Dick the 40.000 th discovered the earth
Comandant Dick the 40.050 th received the congratulations message from his native planet
It was found buried under a pyramid , but CIA as usual refuse to disclose it
The message said :

" Compliment comandant Dick the 40.050th and honour to the 4.000.000.000 heroes who sacrificed their life for our great country
I must remind you however that 99 % of the galaxi is still unexplored
Aliens expect that you complete your mission "

This is the conclusion that you would come , just making some simple calculations

Do you call it just "improbable " ?

come on