Tham KY's answer to waiman's International Baccalaureatte Further Maths HL question.

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Tham KY
Tham Ky's answer
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Correct?
Mark Thong
Premium Tutor
Mark Thong
6 years ago
Question also asked for mean and variance.
Tham KY
Tham KY
6 years ago
Sorry, missed out that part. Pls see another attached photo...