Mathematics
Mathematics, 03.07.2019 02:20, kylebenson

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
9. what is sandra’s expected value of points awarded for a race?
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