1/2
The probability is 50-50.
The probability is 1/4
50%
50%
T = H + 10 T + H = 42 so T = 26, H = 16 Therefore Prob(T) = 26/42 = 0.6190
9/2
These are independent one has no bearing on the other
The probability is 50-50.
It is 0.25
P(Heads) = 2/3
The probability is 1/4
The probability is 3/8 = 0.375
1/2
It is 0.75
possible
50%
50%