Hi, I need help with part (iii) & (iv). I don’t know whether my answers are co

Ask Singapore Homework?

Upload a photo of a Singapore homework and someone will email you the solution for free.

junior college 1 | H1 Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question

junior college 1 H1 Maths Singapore

Hi, I need help with part (iii) & (iv). I don’t know whether my answers are correct or not. Thank you so much. :)

Date Posted: 3 years ago

done {{ upvoteCount }} Upvotes

clear {{ downvoteCount * -1 }} Downvotes

You did not combine the 2 distributions yet.

Date Posted: 3 years ago

Chester

3 years ago

I made a mistake,
(Sum x)^2 + (Sum y)^2 should be
[ (Sum x) + (Sum y) ]^2 instead

Huihuibuhui

3 years ago

Thank you so much :)

Huihuibuhui

3 years ago

Thank you so much