That's the point: You can't expect anything. Random means unpredictable.Quote from tenkataihei
[...] I wanted to know what people expect from randomness. What is random to you and what isn't?
"Tails, Tails, Tails, Heads, Heads, Heads" is as random as "Tails, Heads, Heads, Tails, Heads, Tails"
Didn't you have any stochastic theory courses at school?