Amultiple-choice test consist of 100 questions. a correct answer is worth two marks, while an incorrect answer is worth -1 marks, if a student receives a score of 80, how many questions of the student answer incorrectly

40

Step-by-step explanation:

if each question correct is worth two points, then the total points is 200. multiply the actual score by two to make the wrong answers equal the right answers, and then subtract it from 200. it should come out to look like

no association

step-by-step explanation:

if you have eyes and you can use them efficiently you can see that it just looks like random dots like do a line of best fit and like they're so spread out it's such a weak association you might as well consider it nonexistent