Year 12 Probability Self-Help Revision 1

FREE Download: 2012 NSW BOS Mathematics Solutions – PDF 92KB

Thanks to Lyn Harris for pointing out an error in Q12di and .: Q12dii. The correct answers are:

12di 3/3 (0.5 + 4× 2.3 + 2× 2.9 + 4× 3.8 + 2.1) = 32.8 and .: 12dii should be 131.2

FREE Download: 2012 NSW BOS Mathematics Extension 1 Solutions – PDF 94KB

Thanks to Lyn Harris for checking the solutions.

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