Question

A teacher gives a test to a class of 20 students. Is it possible that 90% of the class scoresabove average? If so, give an example of test scores for which this is the case. If not, explainwhy not.

Answer 1

Given: A teacher gives a test to a class of 20 students.

Find:Is it possible that 90% of the class scores

above average

Explanation: yes , it is possible .

if 18 students get more than 15 marks out of 20 . then it will poosible that 90% of the class scores above average.