FREE Download: 2009 NSW BOS General Mathematics Solutions
FREE Download: 2009 NSW BOS General Mathematics Solutions – PDF 68KB
Thanks to Sue Gilbert for pointing out that the correct solution to 2009 Q 27c is:
Mary has the better chance.
For Jane, Pr(wins at least one) = 1 – Pr(wins none) = 1 – (0.99)(0.99) = 0.0199.
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