Tham KY's answer to QN's Junior College 1 H1 Maths Singapore question.

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Tham KY
Tham Ky's answer
6052 answers (Tutor Details)
Need to read Qn carefully, if it asks for the difference is "more than" or "less than".
This includes phrases like "differs by at least/most..."
QN
QN
4 years ago
Thanks! Really appreciated!
QN
QN
4 years ago
Would it be the same if I modulus P(|B̅ - A̅|< 20) ?
Tham KY
Tham KY
4 years ago
Yes.