Will mark brainliest
a quiz has multiple-choice questions, each with 5 choices. the answer possibilities are distributed evenly. if a student gets a correct answer they will receive +3 points. if they leave it blank, they will receive 0 points. if they write an incorrect answer, they will receive -1 point. a student guesses the answers to some questions.

determine on average, in the long run, how many points the student will score. (write your answer as a decimal, with a minus sign if needed.)

((ps. i got 2 points per but i'm highly positive i got it