BRAINLIEST!!!!!
There are 100 student's taking a test. There are three questions that are worth 5 marks on the test.
30% of the students got all 3 questions right
40% of the sudents got 2 questions right
25% of the students got 1 question correct
5% of the students got 0 right.
What is the overall class average for the test?

Respuesta :

Answer:

1.95 questions right is the average

Step-by-step explanation:

30(3)+40(2)+25(1)+5(0)=195

195/100=1.95

let me know if you need a better explanation of where the numbers are from