Question

16. Students of a class were given an aptitude test. The marks were
found to be normally distributed with mean 60 and standard
deviation 5. What percentage of students scored:
i) More than 60 mark (ii) Less than 56 marks
(iii) Between 45 and 65 marks

Answer 1

Answer:

16. Students of a class were given an aptitude test. The marks were

found to be normally distributed with mean 60 and standard

deviation 5. What percentage of students scored:

i) More than 60 mark (ii) Less than 56 marks

(iii) Between 45 and 65 marks