Is there smth wrong with this? My expectation and variance are correct but when

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junior college 2 | H2 Maths
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junior college 2 H2 Maths

Is there smth wrong with this? My expectation and variance are correct but when i ley into gc i got 1 instead of the ans in the ans key

Date Posted: 7 years ago

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I got 0.742 maybe u want to try again? I keyed this into the GC and it shows 0.742

Date Posted: 7 years ago

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Date Posted: 7 years ago