Answer:
Expected winnings for one spin = 0.1
Step-by-step explanation:
Expected Value = Sum of [(Probability of X)(Value of X)]
E(X) = Σ [P(X).X]
Two Events : X = +68 , P(X) = 1/38 and X = -2 , P(X) = 37/38
E(X) = [(68) (1/38)] + [(-2)(37/38)]
[(68)(0.03)] + [(-2)(0.97)]
= 2.04 - 1.94
= 0.1
Answer: (6,12)
Step-by-step explanation:
3+3=6
4+9=12
Answer:
Step-by-step explanation:
B and c
I beleive it is 6(2) + 3 (1) + 1(5) = 20 points :)