Sandra swims the 100-meter freestyle for her school’s swim team. her state’s ranking system awards 3 points for first place, 2 points for second, 1 point for third, and 0 points if she does not place. her coach used her statistics from last season to design a simulation using a random number generator to predict how many points she would receive in her first race this season
integer value points awarded frequency
1 - 8 3 20
9 - 15 2 12
16 - 19 1 6
20 0 2
  what is sandra’s expected value of points awarded for a race?