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junior college 2 | H2 Maths
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Anika
Anika

junior college 2 chevron_right H2 Maths chevron_right Singapore

Hi could I please have some help for these ? Thank you !

Date Posted: 4 years ago
Views: 374

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ZY
Zy's answer
11 answers (A Helpful Person)
1st
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.
ZY
ZY
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."
Anika
Anika
4 years ago
Thank you so much !! :)