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
Answer:
It should be 62
Step-by-step explanation:
30+40-8=62
A is the answer because I did befor
Answer:
8100
Step-by-step explanation: yee yee
the answer is 4 the reason is that the formula is c^2=a^2+b^2,
now if c=2,then 4=a^2+b^2
