Step-by-step explanation:
which system explain more please
Answer:
Step-by-step explanation:
Given
there are 50 winning number out of which 40 get $ 100 each and 10 wins $ 1000 .
let x denotes the winning from a randomly selected ticket


Expected value is given by


and Expected return is given by


Answer:
It was answered correctly.
Step-by-step explanation:
Parenthesis means mutiplication so you can do iy rhat way or 4(c)^2=4×c^2.