ZY's answer to Anika's Junior College 2 H2 Maths Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
For part a, standardise and use inverse normal. The answer should be wrong. If 15% score less than 25 marks, then it is not possible for 97% to score at least 45 marks.
For part b, just provide the examples to show what normal distribution is not appropriate.
For part b, just provide the examples to show what normal distribution is not appropriate.
Date Posted:
4 years ago
Slight edit: "If 15% scored less than 25 marks, then it is not possible for 97.2% to score more than 45 marks."
Thank you so much !! :)
360 Tutoring Program