[CQ-Contest] Fishy spots followed

[Lyndon Nerenberg]

>All 28 spots are with @ sign! - As I am a lot into math and statistics in my
>job, I like probablities, this probability is 0.000000000104!
>All but one have no decimal places in frequency! Spots following each other
>on the band are usually exactly on same frequency. This probability is
>around 1.5%

Can you show how you derived these two probability values?

--lyndon