For a daily lottery a person selects a 3-digit number. if the person plays for $!, she can win $500. find the expectation. in the same daily lottery,if a person boxes a number, she will win $80. find

For a daily lottery a person selects a 3-digit number. if the person plays for $!, she can win $500. find the expectation. in the same daily lottery,if a person boxes a number, she will win $80. find the expectation if the number 1 2 3 is played for a $1. (when a number is boxed, it can win when the numbers appear in any order.)