first equation is line B the second one C the third one is A
A = P*(1 +r)^t
= 2500*(1.04)^10
≈ 3700.61 . . . . . . . . . . . . matches C
Probability of getting a number less than 4 is 3/6 or 1/2.
Probability of getting a tail is 1/2
1/2*1/2= 1/4 or 25% or 0.25
