A prize of $100, $200, $500, or $1000 will be randomly awarded to a game
show contestant, with the probabilities of winning each prize shown in the
table below. What is the expected value of the prize that will be awarded?
Prize
$100
$200
$500
$1000
Probability
ILO
NIL
011 -
ILO
O
O
A. $560
B. $380
C. $460
O
D. $400