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junior college 2 | H1 Maths
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Ivey
Ivey

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
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Boy Mow Chau
Boy Mow Chau's answer
317 answers (Tutor Details)
1st
for linear combination of random variables, remember to always add variances.
Ivey
Ivey
1 year ago
Thank you so much for the clear explanation!