3
8(3)(1/2)=12
2(1/2)(4)=4
12/4=3
Answer:
C.
Step-by-step explanation:
Answer: $375
Step-by-step explanation:
Given : The probability of winning $100 : P(100)= 0.25
The probability of winning $200 : P(200)= 0.50
The probability of winning $1000 : P(1000)= 0.25
Now, the the expected value of that lottery ticket is given by :-

Hence, the the expected value of that lottery ticket =$375
Multiply each term in the parentheses by 3. Your answer is 6a - 12b