Answer:
-$0.16
Step-by-step explanation:
The expected value is the sum of the outcomes multiplied by their probabilities.
E(X) = 1/38 (+68) + 37/38 (-2)
E(X) = -0.16
I don't have the ranges of numbers to see which range so clearly it's impossible to answer
Is this a multiple choice question? If so...what are the options?
I think it’s (-1,-4) sorry if it’s wrong
Answer: x = 2
Step-by-step explanation:

Replace y in the first equation by the value of y in the second equation.
