Less would be the answer for both i think :P im late XD
Answer:
The first and third is correct.
Step-by-step explanation:
I'm not a expert but I know its right.
Im guessing 3 i really dont know.. i dont understand what it means by 4 channels.
To calculate expected value,
We can add up the probability of all possible events.
The 2 possible events are either winning $50 or losing the prize, which is $ - 50
Expected value =
50 x 40 % + (-50) x 60%
= $-10
So the answer is $-10