Ask Singapore Homework?

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


junior college 2 | H1 Maths
One Answer Below

Anyone can contribute an answer, even non-tutors.

Answer This Question

junior college 2 chevron_right H1 Maths chevron_right Singapore

How to do part 2 of this question? (Second paragraph) The answer in the answer key is 0.021 for first part and 0.814 for second part. Thank you sm!

Date Posted: 1 year ago
Views: 295

See 1 Answer

done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
for linear combination of random variables, remember to always add variances.
1 year ago
Thank you so much for the clear explanation!