Problem page kira is playing a game of chance in which she rolls a number cube with sides numbered from 1 to 6. the number cube is fair, so a side is rolled at random. this game is this: kira rolls the number cube once. she wins $1 if a 1 is rolled, $2 if a 2 is rolled, $3 if a 3 is rolled, and $4 if a 4 is rolled. she loses $2.75 if a 5 or 6 is rolled.